Mathematics, 17.02.2021 21:00 hctlawton

A train travels 150 km in the same time that a plane covers 525 km. If the speed of the plane is 20 km per hr less than 4 times the speed of the train, find both speeds.

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A train travels 150 km in the same time that a plane covers 525 km. If the speed of the plane is 20...

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