SOLUTION: if a train travels from a to b at 100 km/hr and returns at 20 km/hr, what is the average speed for the round trip? Ignore any layover time. Check your answer. It is not 60 kph

Question 897275: if a train travels from a to b at 100 km/hr and returns at 20 km/hr, what is the average speed for the round trip? Ignore any layover time. Check your answer. It is not 60 kph
Answer by MathTherapy(10551) (Show Source): You can put this solution on YOUR website!

if a train travels from a to b at 100 km/hr and returns at 20 km/hr, what is the average speed for the round trip? Ignore any layover time. Check your answer. It is not 60 kph



Average speed: , or  kph  

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