brandonc6Frandgamer brandonc6Frandgamer

11-03-2016
Mathematics

contestada

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

Respuesta :

apologiabiology apologiabiology

11-03-2016

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

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Biancaporter6 Biancaporter6

11-03-2016

45 since 30/10=3 so he reads one book in 3 minutes, Therefore, 15 x 3=45

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