SOLUTION: If Amy drove from home to work at 30km per hours, and then drove from work back home using the same route at 20km per hour what was her average speed in km per hour for the round t

Question 1076027: If Amy drove from home to work at 30km per hours, and then drove from work back home using the same route at 20km per hour what was her average speed in km per hour for the round trip?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
If Amy drove from home to work at 30km per hours, and then drove from work back home using the same route at 20km per hour what was her average speed in km per hour for the round trip?
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Avg = 2*30*20/(30+20) = 24 km/hr
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