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Ali read 5 pages of her book in 7 minutes. At this rate, how long will it take Ali to read 15 pages of her book? A. 21 minutes. B. 17 minutes. C. 14 minutes. D. 12 minutes.
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Ali read 5 pages of her book in 7 minutes. At this rate, how long will it take Ali to read 15 pages of her book? A. 21 minutes. B. 17 minutes. C. 14 minutes. D. 12 minutes.

User Daffy
by
8.7k points

1 Answer

6 votes
A. 21 minutes

You can use a proportion to solve this

7/5=x/15

Then cross multiply

This will 105=5x

Then simplify

x=21
User Randall Bohn
by
7.2k points
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