Mathematics, 18.09.2021 06:20 thelonewolf5020

Flying with the wind, a plane can travel 840 miles in 4 hours. Against the wind, the plane requires 5 hours to fly the same distance. Find the speed of the plane in calm air and the speed of the wind, both in miles per hour.

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Flying with the wind, a plane can travel 840 miles in 4 hours. Against the wind, the plane requires...