Question

Brad swims 4 laps every 6 minutes. How long does it take him to swim 14 laps?

Answer 1

21 minutes

Explanation:

4 laps = 6 minutes

14 laps = y

using cross multiplication

14 x 6 = 84

4 x y = 4y

4y = 84

y = 84/4

y = 21

21 minutes