SOLUTION: You run two miles at an average speed of 8 mi/hr and then walk back at a rate of 4 mi/hr. what is the average speed for the trip? (nearest tenth)

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Question 918685: You run two miles at an average speed of 8 mi/hr and then walk back at a rate of 4 mi/hr. what is the average speed for the trip? (nearest tenth)
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
average speed = total distance /total time = 4mi/(.25hr + .5hr) = 4m/.75hr = 5 1/3 mph