SOLUTION: Suppose that on a round trip you average 30 mph on the way out and 60 mph on the way back. What is your average speed of the entire trip?

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Question 659777: Suppose that on a round trip you average 30 mph on the way out and 60 mph on the way back. What is your average speed of the entire trip?
Answer by ReadingBoosters(3246) About Me  (Show Source):
You can put this solution on YOUR website!
(30mph + 60mph)/2
90/2 = 45mph average