Question

A truck driver travels at an average speed of 65 miles per hour on a 230-mile trip to pick up a load of freight. On the return

55 miles per hour. What is the average speed for the round trip? (Round your answer to one decimal place

Answer 1

60.0 miles per hour.

Explanation:

The one-way distance is the same as the return distance, so, the average speed is obtained by averaging both speeds:

(65+55)/2 = 120/2 = 60 miles per hour