speed of the truck , Mathematics

A man travels 600km partly by train and partly by truck. If he  covers 120km by train and the rest by truck, it takes him eight hours. But, if he travels 200km by train and the rest by truck, he takes  20 minutes longer. Find the speed of the truck and that of the train.

Posted Date: 3/18/2013 7:33:46 AM | Location : United States

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