# SOLUTION: A person is traveling to Chicago. She is going 40 mph on the way to Chicago and 80 mph on the way back. What is the average traveling time.

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 Question 231029: A person is traveling to Chicago. She is going 40 mph on the way to Chicago and 80 mph on the way back. What is the average traveling time.Answer by Alan3354(31538)   (Show Source): You can put this solution on YOUR website!A person is traveling to Chicago. She is going 40 mph on the way to Chicago and 80 mph on the way back. What is the average traveling time. ------------------- d = distance one-way d = rt t = d/r Total time = d/40 + d/80 = 3d/80 ------------- Avg r = 2d/t = 2d/(3d/80) = 160/3 mph