SOLUTION: If I drive to work at 40 mph and return home along the same route at 50 mph, what is my average speed for the round trip?

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Question 909019: If I drive to work at 40 mph and return home along the same route at 50 mph, what
is my average speed for the round trip?
Found 2 solutions by ewatrrr, Alan3354:
Answer by ewatrrr(24785) About Me  (Show Source):
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
If I drive to work at 40 mph and return home along the same route at 50 mph, what
is my average speed for the round trip?
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RT avg = 2*40*50/(40+50) = 400/9
=~ 44.44 mi/hr