Question

Kim’s hair grows a half inch per month. How many months will it take for her hair to grow 12 inches?

Answer 1

24 months

Explanation:

Cross-multiply

0.5 inches -------------- 1 month

12 inches ---------------- x months

0.5/12 = 1/x ===> 0.5x = 12 ===> x = 12/0.5 ===> x = 24 months