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Mathematics, 22.07.2019 09:40 lelliott86
An airplane took 4 hours to fly 2400 miles against headwind. the return trip with the wind took 3 hours. find the speed of the plane in still air and the speed of the wind.
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An airplane took 4 hours to fly 2400 miles against headwind. the return trip with the wind took 3 ho...
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