Question

Lin is reading a 47-page book. She read the first 20 pages in 35 minutes.

If she continues to read at the same rate, will she be able to complete this book in under 1 hour?
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If so, how much time will she have left? If not, how much more time is needed?
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Answer 1

no

22.25 minutes

Explanation:

First determine how long it will take her to read the entire book

20 pages 47 pages

-------------- = ----------------

35 minutes x minutes

Using cross products

20x = 35*47

20x=1645

Divide by 20

20x/20 = 1645/20

x =82.25 minutes

This is more than 1 hour ( 1 hour = 60 minutes)

82.25 minutes - 60 minutes = 22.25 minutes

She will need 22.25 more minutes