Physics, 27.02.2020 00:14 alexcontreras32

A train travels 150 km in the same time that a plane travels 400 km. if the rate of the plane is 20 km per hour less than three times the rate of the train, find both rates

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A train travels 150 km in the same time that a plane travels 400 km. if the rate of the plane is 20...

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