If Josh can read 18 pages in 40 minutes, how long will it take him to read 90 pages?

Answer:

18=40

90? 40×90=3600÷18=200 pages.

Answer:

It will take him 200 minutes to read 90 pages.

Step-by-step explanation:

Josh can read 18 pages in 40 minutes.

Ratio of pages to minutes = 18 : 40

Number of pages to read = 90

Minutes = x

Ratio of pages to minutes = 90 : x

The relationship is proportional

18 : 40 :: 90 : x

Product of extremes = Product of means

18x = 40*90

18x = 3600

Dividing both sides by 18

[tex]\frac{18x}{18}=\frac{3600}{18}[/tex]

x = 200

Therefore,

It will take him 200 minutes to read 90 pages.

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