Question

An average person’s hair grows at a rate of 18 cm per year. How fast in inches per month does the average person’s hair grow? Show all work for solving by using the correct conversions factors. Round your answer to the nearest tenth

Answer 1

1.5 inches per month

Explanation:

18 / 12 = 1.5

Answer 2

1.5 cm/month

Explanation:

rate = 18 cm / year

There are 12 months in a year

18 cm /year * 1 year/12 months

18/12 cm / month

1.5 cm/month