SOLUTION: A car travels up a hill at a constant speed of 36 km/h and returns down the hill at a constant speed of 70 km/h. Calculate the average speed (in km/h) for the round trip.

Question 260797: A car travels up a hill at a constant speed of 36 km/h and returns down the hill at a constant speed of 70 km/h. Calculate the average speed (in km/h) for the round trip.

Answer by unlockmath(1688) (Show Source): You can put this solution on YOUR website!
Hello,
To find the average of anything, we first add everything up and divide it by the number of items. For example:
36+70=106 Then we divide the total by 2 to give us:
53km/h
Make sense?
RJ
Check out a new book I wrote at:
www.math-unlock.com
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