SOLUTION: A man drives to work at 40mph. He drives home,along the same route, at 60mph. What is his average speed overall.

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Question 771105: A man drives to work at 40mph. He drives home,along the same route, at 60mph. What is his average speed overall.
Answer by Alan3354(69443) About Me  (Show Source):
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A man drives to work at 40mph. He drives home,along the same route, at 60mph. What is his average speed overall.
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Avg for a round trip =
2*40*60/(40 + 60)
= 48 mi/hr