Mathematics, 29.01.2020 23:50 eelebron0905

Tourists covered 640 km for a 4 hour ride by car and a 7 hour ride by train. what is the speed of the train, if it is 5 km/h greater than the speed of the car?

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Tourists covered 640 km for a 4 hour ride by car and a 7 hour ride by train. what is the speed of th...

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