SOLUTION: A man drives to town 30 miles away at a speed of 45 mph and arrives in 40 mins. on his return he takes 60 mins. What is his average speed for the total trip?

Question 380202: A man drives to town 30 miles away at a speed of 45 mph and arrives in 40 mins. on his return he takes 60 mins.
What is his average speed for the total trip?

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A man drives to town 30 miles away at a speed of 45 mph and arrives in 40 mins. on his return he takes 60 mins.
What is his average speed for the total trip?
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Average speed = (total distance)/(total time)
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Total distance = 60 miles
Total time = 40 min + 60 min = 1 2/3 hrs
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Average speed = 60/(5/3) = 36 mph
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Cheers,
Stan H.
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