Physics, 14.07.2019 16:30, Jasten

Ahelicopter flies 168 miles against the wind in 2 hours; with the wind, it can fly 252 miles in the same amount of time. find the speed of the helicopter in still air.

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Ahelicopter flies 168 miles against the wind in 2 hours; with the wind, it can fly 252 miles in the...