Question

The changes in depth, in inches, of snow at a ski resort for 4 days are shown below.

−18,−12,34,34
What is the average change in depth of the snow during the 4-day period?

Answer 1

Average change = Total change / 4 days

= (7/8) / 4

= 7/32. (C)

Explanation:

Average change = Total change / 4 days

Total change = (-1/8) + (3/4) + (3/4) + (-1/2) = 7/8.