Question

a man walked 10km,then travels a certain distance by the train and then by bus as far as twice by the train.if the whole journey is of 70 km how far did je travel by train

Answer 1

The man travell 15 km by train .

Answer 2

The whole distance is 70 km . He walks for 10 km. The remaining distance is 60 km. He travelled a certain distance by train and twice as that in bus. Suppose we divide the 60 by 3. The answer is 20 . So he travelled 20 km and 40 km by bus.
Hope this helps you
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@spyder