SOLUTION: if a motorist travels from point a to point b in one hur at 60mph then back to point a from point b at 30mph what is his average speed?

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Question 351482: if a motorist travels from point a to point b in one hur at 60mph then back to point a from point b at 30mph what is his average speed?
Answer by nyc_function(2741) About Me  (Show Source):
You can put this solution on YOUR website!
Let A = average speed


A = (60 + 30)/2


A = 90/2


A = 45mph