Mathematics, 08.12.2019 23:31 tony4561

Flying against the wind an airplane travels 2640 km in 4 hours finder with the wind the same plane travel 7700 km in 7 hours what is the rate of the plane in still air and what is the rate of the pain

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Flying against the wind an airplane travels 2640 km in 4 hours finder with the wind the same plane t...