An equation system's solution is a collection of values for the variable that concurrently fulfill each equation.
The system's answer is: what is it?An equation system's solution is a collection of values for the variable that concurrently fulfill each equation. Finding all of the possible sets of variable values that make up the system's solutions is necessary to solve an equation system. However, the second equation does not have a solution at (5, 4).An equation system's solution is a collection of values for the variable that concurrently fulfill each equation.There are an endless number of ordered pairs that satisfy both of the equations if both variables are removed and you are left with a true assertion. Actually, the lines of the equations are identical.To lean more about system's solution refer to:
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The cost of a battling token is $1.5 and the cost of a miniature golf game is $2.
The system's answer is: what is it?The set of values for the variable that simultaneously satisfy all of the equations in an equation system is called the solution. In order to solve an equation system, all sets of variable values that could possibly exist must be found. The second equation, however, is initially without a solution (5, 4).
The set of values for the variable that simultaneously satisfy all of the equations in an equation system is called the solution.
If both variables are eliminated and you are left with a true statement, there are an infinite number of ordered pairs that satisfy both equations. In reality, the equations' lines are the same.
Let cost token be x and golf games be y, i.e.
16x + 3y = 30
22x + 5y = 43
Lets Solve by using Elimination method both the expression in equal terms
80x + 15y = 150
- 66x + 15y = 129
14x = 21
x = 21/14
x = 1.5
Then, for y
16(1.5) + 3y = 30
y = 2
Thus, The cost of a battling token is $1.5 and the cost of a miniature golf game is $2.
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Suppose a population consists of 850,000 people which of the following numbers of members of the population being surveyed could result in a parameter but not a sample statistic
The number of members of the population that could result in a parameter but not a statistic is given as follows:
A. 850
What is a parameter and what is a statistic?A parameter is used to describe the whole population, while a statistic is used to describe the sample.
For this problem, we have that:
The population size is of 850,000.The sample size is of 850.Meaning that 850,000 describes the population, and thus the correct option is option C.
Missing Information
The options are given as follows:
A. 850
B. Both 850 and 850,000
C. 850,000
D. Neither 850 nor 850,000
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mathematical expression
When numbers and variables are properly combined using operations like addition, subtraction, multiplication, division, exponentiation, and other as-yet-unlearned operations and functions, a set of mathematical symbols known as an expression is produced.
What are Mathematical expressions?A mathematical expression is the collection of mathematical symbols that results from the proper combination of numbers and variables using operations like addition, subtraction, multiplication, division, exponentiation, and other as-yet-unlearned operations and functions.
Any mathematical statement that includes numbers, variables, and an arithmetic operation between them is known as an expression or algebraic expression.
In the phrase 4m + 5, for instance, the terms 4m and 5 are separated from the variable m by the arithmetic sign +.
Therefore, when numbers and variables are properly combined using operations like addition, subtraction, multiplication, division, exponentiation, and other as-yet-unlearned operations and functions, a set of mathematical symbols known as an expression is produced.
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Complete question:
What is a mathematical expression?
Answer:
y=mx+b
Step-by-step explanation:
suppose you have ten dies with six faces each. if you randomly throw these dies, what the probability that the sum of all the top faces is divisible by 6?
The probability that the sum of all the top faces is divisible by 6 is 1/6.
1.This is because there are six possible outcomes when the dice are thrown, and only one of these outcomes (where the sum of the top faces is divisible by 6) has a probability of 1/6.
2.The other five outcomes have a probability of 0.
3.To explain this further, consider the following example: if we throw 10 dice, the possible outcomes are 6^10, or 6,561 outcomes. Of these 6,561 outcomes, only 1,089 will result in a sum of the top faces that is divisible by 6.
4.Therefore, the probability that the sum of all the top faces is divisible by 6 is 1,089/6,561, or 1/6.
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If Elayna bought 18 bags of topsoil and each bag contains 36 pounds, how many total bags did she buy?
648 pounds of topsoil in total.
( for this question it's asking how many bags she bought in total, which I dont understand cuz it already says she bought 18 bags.)
(It really should have asked, how much topsoil in total did she buy)
but what I did to find my ans is that I multiplied.
36×18, cuz it says each bag contains 36 pounds.
Which of the following exponential functions represents the graph below?
The function represent the given graph is f(x)= 1·(1/2)ˣ. Therefore, option B is the correct answer.
What is the exponential function?Exponential function, as its name suggests, involves exponents. But note that, an exponential function has a constant as its base and a variable as its exponent but not the other way round (if a function has a variable as the base and a constant as the exponent then it is a power function but not an exponential function).
As, seen from the graph passes through (0,1) point.
Now, put x = 0, we get
y = 1 from equation B or D.
Now, as the value of x increases towards negative direction i.e. -5, -6, ....
Then, the value of y will be zero.
So, the function represent the graph is f(x)= 1·(1/2)ˣ
Therefore, option B is the correct answer.
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The following inequalities form a system.
y ≥ 3x + 1
x < −3
Which graph represents the system?
A) The graph shows a solid line, which passes through a point 0 comma 1 and a point 1 comma 4, with shading above the line. There is also a dashed line, which passes through a point 0 comma negative 3 and a point 1 comma negative 3, with shading below the line.
B) The graph shows a solid line, which passes through a point 0 comma 1 and a point 1 comma 4, with shading below the line. There is also a dashed line, which passes through a point 0 comma negative 3 and a point 1 comma negative 3, with shading below the line.
C) The graph shows a solid line, which passes through a point 0 comma 1 and a point 1 comma 4, with shading above the line. There is also a dashed line, which passes through a point negative 3 comma 0 and a point negative 3 comma 1, with shading to the right of the line.
D) The graph shows a solid line, which passes through a point 0 comma 1 and a point 1 comma 4, with shading above the line. There is also a dashed line, which passes through a point negative 3 comma 0 and a point negative 3 comma 1, with shading to the left of the line.
The graph that represents the system is option D.
The first inequality y ≥ 3x + 1 represents a line with a slope of 3 and a y-intercept of 1, and it is shaded above the line. This line is a solid line.
The second inequality x < -3 represents a vertical line with an x-intercept of -3, and it is shaded to the left of the line. This line is a dashed line.
The solution of the system is the intersection of the two regions, which is the area on the coordinate plane that is shaded above the solid line and to the left of the dashed line.
So the graph that represents the system is the one that shows a solid line with a slope of 3 and a y-intercept of 1, with shading above the line, and a dashed line with an x-intercept of -3, with shading to the left of the line. This is option D.
Answer:
D
Step-by-step explanation:
took the test xx
What are the answers for questions C and F. Please show an explanation of how you got your answers. Thank you. I will award you with 30 points if you answer these.
Answer:
see below
Step-by-step explanation:
C; slope =1/5. The flame length will increase at 5x of the speed increase
or, the speed increase is 1/5 of the flame length increase.
F: Y intercept in the graph is 0, so nothing has happened yet. no fire, no flame.
Question 4, I need to know the steps to get to the answer
===============================================
Explanation:
We'll use the pythagorean theorem converse.
Consider a triangle with sides a,b,c where c is the longest side.
There are 3 scenarios possible:
If a^2+b^2 > c^2, then the triangle is acute.If a^2+b^2 = c^2, then it is a right triangle.If a^2+b^2 < c^2, then the triangle is obtuse.The middle or second scenario is probably what you're most familiar with. That's the famous pythagorean theorem without the term "converse" attached to it.
--------------
The two given sides are 8 inches and 10 inches.
Let's say the third side was 5 inches (choice F)
This means we have a triangle with sides a = 5, b = 8, c = 10
Then compute the following:
a^2+b^2 = (5)^2 + (8)^2 = 89c^2 = (10)^2 = 100Since 89 < 100, we see that a^2+b^2 < c^2 is the case. Therefore the triangle with sides 5,8,10 is obtuse.
This will allow us to rule out choice F since we're looking for an acute triangle.
--------------
Now onto choice G.
This time the sides are: a = 6, b = 8, c = 10
a^2+b^2 = (6)^2 + (8)^2 = 100c^2 = (10)^2 = 100Both results (a^2+b^2 and c^2) are the same at 100; so we see that a^2+b^2 = c^2.
Therefore we have a right triangle. We can rule out choice G.
--------------
Now onto choice H.
The triangle now has sides: a = 8, b = 10, c = 12
a^2+b^2 = (8)^2 + (10)^2 = 164c^2 = (12)^2 = 144Since 164 > 144, we see that a^2+b^2 > c^2 is the case. Therefore the triangle with side lengths 8,10,12 is acute.
Choice H is the final answer.--------------
For the sake of completeness, let's go over choice J.
a = 8, b = 10, c = 13a^2+b^2 = (8)^2 + (10)^2 = 164c^2 = (13)^2 = 169We find 164 < 169 which leads to the scenario a^2+b^2 < c^2. The triangle for choice J is obtuse. We can rule out choice J.
You can use something like GeoGebra to help visually verify these results.
this table shows the exact temperature at three different times in beltsville md one day last winter
The difference in temperature at 10 a.m. and 3:30 p.m. is -3.3 degree Fahrenheit
How to find the difference in temperatureWhen the time was 10 in the morning the temperature was 1.2 degrees Fahrenheit
When it was 3.30 in the afternoon, the temperature was - 2.1 degrees fahrenheit
The difference that would be in the temperatures that we have here would be:
-2.1 - 1.2
= -3.3 degrees fahrenheit
This tells us that there is a decrease in temperature in this time frame
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complete question
shows the exact temperatures at three different times in Beltsville, Md., one day last
3.30 p.m.
-2.1° F
Noon
10 a.m.
1.2° F
Time
Temperature
winter.
0° F
What is the difference between the temperatures at 10 a.m. and 3:30 p.m.? Indicate whether the
chris decided to buy 102 feet of craft center material what is the cost
Answer: however much a foot of craft material is multiply it by 102
Step-by-step explanation:
Steve needs to earn a C in his Sociology class. His current test scores are 70, 77, 71, and 71. His final exam is worth 3 test scores. In order to earn a C, Steve's average must lie between 70 and 79 inclusive. What range of scores can Steve receive on the final exam to earn a C in the course
The range of scores that Steve needs to get an average of 70 to 79 is 66 to 87 Points.
To find the range of scores that Steve needs to have to stay in the 70 to 79 range we first need to define the variables that we need to find.
Let x = Score that Steve needs
Since the exam is worth 3 exams, we will then use 3x to denote the weight of the final exam.
Now we need to add all the other exams and divide it by the number of exams.
[tex]\frac{3x + 70+77+71+71}{7} = 70[/tex]
3x + 292 = 7 *70
3x = 490 -292
3x = 198
[tex]\frac{3x}{3} =\frac{198}{3}[/tex]
x = 66
Now let's look for the score that Steve needs to get to a 79 average.
[tex]\frac{3x + 70+77+71+71}{7} = 79[/tex]
3x + 292 = 7 * 79
3x + 292 = 553
3x = 553 - 292
3x = 261
x = 87
So the range of scores is 66 to 87 Points.
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a pepsi bottle is dropped from a height of 60m. how fast is it going when it still has 1.2s left in its fall
The speed of the Pepsi bottle would be 78.4 m/s.
To calculate the speed of the Pepsi bottle when it has 1.2 seconds left in its fall, we would need to know the acceleration due to gravity. Assuming a standard gravitational acceleration of 9.8 m/s^2, we can use the following equation to calculate the speed:
Speed = (2 * acceleration * distance)^(1/2)
where distance is the distance fallen (60m)
Speed = (2 * 9.8 * 60)^(1/2) = 78.4 m/s
It is important to know that this is the final velocity at time of impact and doesn't account for the time of fall and air resistance.
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Cliff hanger leaps from a cliff. At first, the fall is modeled by
F(t)= -t2 + 2t + 305, where t is the time sense he jumped. After a certain amount of time , he opens his parachute, after which, his fall is modeled by
P(t) = -t + 295. At how many seconds did he open his chutes
He open his chutes at t = (3 ± √(-31)) / 2 seconds.
How to calculate the time?To find the time at which the person opened their parachute, we need to find the point of intersection between the two equations, F(t) and P(t).
The first equation is F(t) = -t^2 + 2t + 305, represents the fall before the parachute is open.
The second equation is P(t) = -t + 295, represents the fall after the parachute is open.
We can find the point of intersection by setting the two equations equal to each other and solving for t.
-t^2 + 2t + 305 = -t + 295
-t^2 + 3t = -10
t^2 - 3t + 10 = 0
using quadratic formula
t = (3 ± √(3^2 - 4110)) / 2*1
t = (3 ± √(9 - 40)) / 2
t = (3 ± √(-31)) / 2
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What is m<1
36°
70 degree
1 degree
m<1=
Answer: m<1 refers to the measure of an angle in a plane. The symbol < indicates that it is a smaller angle than a right angle which has a measure of 90 degrees. The value of m<1 is the measure of that angle in degrees.
36°, 70 degree and 1 degree are all measures of angles, but they are not necessarily the measure of m<1. Without any further context or information, it is not possible to say what m<1 is equal to.
Step-by-step explanation:
How many ordered pairs of positive integers $(x,y)$ are there such that $x \leq y \leq 1000$ and x+y is even?
There are 49 distinct ordered pairs of positive integers (x, y) such that the least common multiple of x & y is 1,000.
What is least common multiple (LCM)?The least common multiple, lowest common multiple, or smallest common multiple of two integers a and b, usually denoted by lcm, is the smallest positive integer that is divisible by both a and b.
Given that, how many distinct ordered pairs of positive integers (x, y) such that the least common multiple of x & y is 1,000,
1000 = 10³ = 2³×5³
Therefore, we get:
x = 2ᵃ×5ᵇ
y = [tex]2^c[/tex]×[tex]5^d[/tex]
where
0 ≤ a, b, c, d ≤ 3
a or c = 3
b or d = 3
To figure out the number of distinct ordered pairs (x, y), we need to find the distinct number of ordered quadruples (a, b, c, d)
there are.
Case 1 : Exactly 2 of a, b, c, d = 3
a = b = 3, c = 0, 1, 2, d = 0,1,2
a = d=3, b = 0, 1, 2, c = 0,1,2
c = b = 3, a = 0, 1, 2, d = 0, 1, 2
c = d = 3, a=0, 1, 2, b = 0, 1, 2
4(1×1×3×3) = 36
Case 2 : Exactly 3 of a, b, c, d = 3
a = b = c = 3, d = 0, 1, 2
a = b = d = 3, c = 0, 1, 2
a = c = d = 3, b = 0, 1, 2
b = c = d = 3, a = 0, 1, 2
4(1×1×1×3) = 12
Case 3 : Exactly 4 of a, b, c, d = 3
a = b = c = d = 3
1(1×1×1×1) = 1
Total =36+12+1=49
Hence. there are 49 distinct ordered pairs of positive integers (x, y) such that the least common multiple of x & y is 1,000.
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A DJ charges an hourly fee and an equipment setup fee.
a. Write a formula for the cost, C, of hiring a DJ for n hours.
b. Find the inverse of the formula. What does the new formula represent?
c. If the DJ charged $550. for how many hours was she hired? Use the inverse formula.
a. C=
The formula for the cost, C, of hiring a DJ for n hours is C = hn + e
How to write a formula for the cost of hiring a DJ for n hours?a. The formula for the cost, C, of hiring a DJ for n hours is C = hn + e, where h is the hourly fee and e is the equipment setup fee.
b. To find the inverse of the formula, we can solve for n in terms of C and h:
n = (C - e) / h
The new formula represents the number of hours the DJ was hired for given the cost, C, and the hourly fee, h.
c. If the DJ charged $550, we can use the inverse formula to find the number of hours she was hired for.
n = (550 - e) / h
where e is equipment setup fee.
Since we are not given the equipment setup fee, we can't calculate the number of hours she was hired for.
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The description below outline different payment options for working at a lawn mowing company. Use x to represent the number of lawns and y to represent the total payment.
For each equation and graph drag the situation that can be modeled by that relationship into the space in that row.
A mathematical rule that may have a value given to it is called a function.
What is a function?A mathematical rule that may have a value given to it is called a function.
A mathematical function is a rule that can have a value. We will now move on to determine which function may be categorised as displayed.
The equation for this quadratic function, y = 2x, is that Ashley pays $2 every day and provides $2 to her brother.
The total payment equals twice as many days as there are in a week. This is a linear function, and its equation is y= 2x - 2x = 2[tex]x^{2}[/tex]
The daily payouts begin at $2 and double with each passing day; this exponential function has the formula y = 2[tex]x^{2}[/tex]
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PLEASE HELP!! 100 POINTS!!
Answer:
Step-by-step explanation:
f(X) = 5X=25
How do I solve this??????
Answer:
#13: 360; #14: 9 m^3
Step-by-step explanation:
x ^2 y z^3 = 9*5*8=360
81 m^4*n^3 = 9 m*n^3 * 9 m^3
Question 2 (2 points) ✓ Saved
Mr. and Mrs. Smith went out to dinner. their bill was $84.00. Mr. Smith left a 18%
tip. How much was the tip?
A/
△WXY is a right triangle. Find the length of XY.
a. 80mm
b. 60
c. 69. 3
d. 34. 6
The length of the side XY taken out by using trigonometric formulas is 12.208 cm.
Now we know that ΔWXY is a right-angled triangle. With ∠XWY = 90°
Hence we see that we can use the trigonometric formulas to find the length of XY
Since ∠YWX = 35° with XW being the corresponding side and XY being the hypotenuse we can use the formula
cosx = base/hypotenuse
Now using a scientific calculator we can calculate
cos35 to be 0.81915
or, base/hypotenuse = 0.81915
or, WX/XY = 0.81915
or, 10/XY = 0.81915
or, XY = 10/0.81915
or, XY = 12.208 cm
Hence the length of side XY is 12.208 cm.
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Complete Question
(Image Attached)
A pool is being filled at the rate of 66 gallons per hour.
Fill in the table.
Answer:1/3=22, 1=66, 1.5=99
Step-by-step explanation:
A snail travelled 48 cm in h.
Suppose the snail moved at a constant
speed and made no stops. How far
would the snail travel in 1 h?
What is the probability of rolling a one on the first die and a four on the second die?
Write your answer as a fraction or a whole number. With fractions, use a slash (/) to
separate the numerator and denominator.
Submit
Work it out
Not feeling ready yet? These can help:
The probability of rolling a one on the first die and a four on the second die is 1/36.
This is because there are six possible outcomes for each die (1, 2, 3, 4, 5, and 6) and the probability of rolling a specific number on one die is 1/6. To find the probability of rolling a specific number on two dice, you would multiply the individual probabilities of each die (1/6 x 1/6 = 1/36). Since there is only one combination of rolling a one on the first die and a four on the second die, the probability is 1/36.
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HELP ME PLSSSSSSSSSSSSSSSSSSSSSS;(
Answer:
a= 3/
Step-by-step explanation:
2/3a-1/6=1/3
2/3a=1/3+1/6
2/3a=1/2
a=1/2×3/
a=3/
58-s=g+4g
how could I solve this?
Answer:
Answer
Step-by-step explanation:
you can answer these NUTS!!!
what is defined equation 6x−3y=−6
The slope and the intercept of the linear function 6x - 3y = -6 are given as follows:
Slope of 1.Intercept of 2.How to define the linear function?The slope-intercept definition of a linear function is given as follows:
y = mx + b.
For which the parameters are given as follows:
m is the slope.b is the intercept.The function in this problem is given as follows:
6x - 3y = -6.
In slope-intercept form, we have that:
3y = 6x + 6
y = x + 2.
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The table represents a quadratic function f(x).
x f(x)
−10 24
−9 17
−8 12
−7 9
−6 8
−5 9
−4 12
If the equation of the function f(x) is written in standard form f(x) = ax2 + bx + c, what is the value of b?
−7
6
12
36
For the given quadratic function, the coefficient b is equal to 12.
What is a Quadratic Function?
The quadratic function can represent a quadratic equation in the Standard form: ax²+bx+c=0 where: a, b and c are your respective coefficients. In the quadratic function, the coefficient "a" must be different than zero (a≠0) and the degree of the function must be equal to 2.
The question gives some points of the quadratic function, see below.
x f(x)
−10 24
−9 17
−8 12
−7 9
−6 8
−5 9
−4 12
From the given data you can find the coefficients by solving the system linear equation.
You can write a system linear equation using the points: (-10,24) ,(-9,17) and (-8,12) for example. Then, you have three equations:
100a-10b+c=24 (1)
81a-9b+c=17 (2)
64a-8b+c=12 (3)
Isolate the coefficient a, you have [tex]a=\frac{24+10b-c}{100}[/tex]. Replacing the variable a in equations 2 and 3, you have:
[tex]81* \frac{24+10b-c}{100}-9b+c=17 (2) \\\\ 64* \frac{24+10b-c}{100}-8b+c=12 (3)[/tex]
Simplifying, you can rewrite it as:
[tex]\frac{-90b+19c+1944}{100}=17 (2) \\ \frac{-40b+9c+384}{25}=12 (3)[/tex]
Next step, you should isolate the coefficient b from the previous equation 2. You have:
[tex]\frac{-90b+19c+1944}{100}=17\\ \\ -90b=1700-19c-1944\\ \\ -90b=-244-19c\\ \\ b=-\frac{-244-19c}{90} = \frac{244+19c}{90}[/tex]
[tex]b=\frac{(244+19c)}{90} (4)[/tex]
Replacing the variable b in the previous equation 3, you have:
[tex]\frac{-40*\frac{244+19c}{90}+9c+384 }{25} =12\\[/tex]. Multiplying both sides by 25, you find the coefficient c:
[tex]\frac{25*(-40(\frac{244+19c}{90})+9c+384)}{25}=12*25\\ \\ -40(\frac{244+19c}{90})+9c+384=300\\ \\ -4(\frac{244+19c}{9})+9c+384=300\\ \\ (\frac{-976-76c}{9})+9c+384=300\\ \\ -976-76c+81c+3456=2700\\ \\ -76c+81c=2700+976-3456\\ \\ 5c=220\\ \\ c=44[/tex]
From the previous equation 4, you finally find the coefficient b. See below.
[tex]b=\frac{244+19c}{90} \\ b=\frac{244+19*44}{90}\\ \\ b=\frac{244+836}{90}\\ \\ b=\frac{1080}{90}\\ \\ b=12[/tex]
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as mars revolves around the sun, it travels at a rate of approximately 15 miles per second. convert this rate to miles per minute. at this rate, how many miles will mars travel in
The speed travelled by mars in miles per minutes is 900. As Given that the mars revolves around the sun at a rate of approximately 15 miles per second.
We know that , Speed = distance / time
Hence we have speed of the mars as 15 miles/sec.
To convert the rate from miles/sec to miles/ minute we have to multiply the given with minute i.e 60 sec.
miles x min = miles x 60 sec
sec x min sec x min
since , 1 minute = 60 sec
hence, new speed = 15 x 60 miles/ minute.
Therefore , the speed travelled by mars in miles per minutes is 900.
( a) In two minutes mars will travel 900 x 2 times with the same rate.
i.e 1800 miles per minute.
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The complete question is:
as mars revolves around the sun, it travels at a rate of approximately 15 miles per second. convert this rate to miles per minute. at this rate, how many miles will mars travel in 2 minutes ?
Kohl's is having a sale on Levi jeans for 1/3 off. Target is also having a sale on Levi jeans for 1/2 off. Who is having the better sale?
A) Kohl’s.
B) Target.
Answer:
Option B: Target.
Step-by-step explanation:
Kohl's sale
1/3 × 100= 33.3% off
While,
Target sale
1/2 × 100 = 50% off
Answer:
Target (option b/second option)
Step-by-step explanation:
We have to first convert the fraction rates into percentage rates. To change a fraction to a percentage, you can divide the numerator by the denominator then multiply the result by 100. Alternatively, you can multiply the numerator by 100 first then divide the result by the denominator of the fraction.
1/2 = 50%
1/3 = 33.33%
Now reviewing this data, we see that a 50% decrease of a price is more than a 33.33% decrease.