SOLUTION: A man travels for 11 hours at the rate of 40 kph. His return trip took him 9 hours. What is his average speed for the entire trip?

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Question 602821: A man travels for 11 hours at the rate of 40 kph. His return trip took him 9 hours. What is his average speed for the entire trip?
Answer by flame8855(424) About Me  (Show Source):
You can put this solution on YOUR website!
speed = distance /time
distance = 11*40 *2= 880 km
total time = 11+9=20
speed = 880/20= 44kph
i got the two because it was round trip back and forth = 11 +11