Question

Rebecca is climbing up a 500-foot cliff. By 1:00 P.M., she has

climbed 125 feet up the cliff. By 4:00 P.M., she has reached
an altitude of 290 feet. Find the average rate of change in
Rebecca's altitude during the three hours. Give the rate in feet
per bour.

Answer 1

Explanation:

(290 ft - 125 ft)/(3 hours) = (165 ft)/(3 hours) = 55 ft/hour