Question

Bob can mow 3 lawns in 5 hours. How long would it take it to mow 9 lawns?

A. 15 hours
B. 17 hours
C. 7 hours
D. 11 hours

Answer 1

15 hours

Explanation:

9 lawns is 3 times as much as 3 lawns

it will take 3 times as long

3 * 5 hours = 15 hours