A man travels 480 km in 4 hours, partly by air and partly by train. If he had travelled all the way by air, he would have saved 4/5 of the time he would have taken to travel by train and would have arrived at his destination 2 hours early. Find the distance he covered by travelling by train.
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2
Answer:
960
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0
Answer:
120 and 360 km by plane r the distances
see picture for soln
in 1st picture speed of plane is 480/2=240
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