Question

The enrollment at Temple Junior High School has a change of ─ 60 over a 3 year period. What is the average change per year?

Answer 1

- 20

Explanation:

Total Change in enrollment = - 60

Period of time at which change occurred = 3 years

Average change per year :

Total change in enrollment / period at which change occurred

= - 60 / 3

= - 20

Average change of - 20 enrollments per year