Question

Sam complete 3 math problems in 8 minutes. How long will it take to do 15 problems?

Answer 1

40 minutes

Explanation:

Math Problems 3 15

---------------------- ----- = ------

Minutes 8 x

3x = 15 * 8

x = 15 * 8 / 3

x = 120 / 3

x = 40

40 Minutes