Question

2.

Rock can read 10 books in 30 minutes. How long does it take
Rock to read 15 books, if the speed is consistent?

Answer 1

The answer is 45 minutes because 30 divided by 10 is 3 which means rock reads 1 book every 3 minutes and 3 times 15 is 45

Answer 2

The answer is 45 minutes.

Explanation:

30 divided by 10 is 3. So it's 3 minutes per book. 3 multiplied by 15 is 45.