SOLUTION: A motorist travels to a place 100 kms away at an average speed of 50 kmph and returns at 40 kmph. His average speed for the whole journey is very nearly

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Question 966408: A motorist travels to a place 100 kms away at an average speed of 50 kmph and returns at 40 kmph. His average speed for the whole journey is very nearly
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Half the distance at 50 kph, half the distance at 40 kph.
A=%2850%2B40%29%2F2=45kph