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Rock can read 10 books in 30 minutes.how long does it take rock to read 15 books,if the speed is consistant.

Rock can read 10 books in 30 minutes.how long does it take rock to read 15 books,if the speed is consistant.
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Rock can read 10 books in 30 minutes.how long does it take rock to read 15 books,if the speed is consistant.

User Psycho Brm
by
7.1k points

2 Answers

2 votes
45 since 30/10=3 so he reads one book in 3 minutes, Therefore, 15 x 3=45
User Eternal Learner
by
8.0k points
4 votes
10book=30mins
divide 10
1book=3mins

time=(time to read 1 book) times (number of books)
time to read 1 book=3 mins
15 books
15 books=15 times 3mins
15books=45mins

45 mins
User Kim Kling
by
8.8k points
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