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Mathematics, 08.12.2020 05:20 Loggtech24

Flying with the wind a plane went 311 km/h. Flying into the same wind the plane only went 279 km/h. Find the speed of the wind and the speed of the plane in still air.

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Flying with the wind a plane went 311 km/h. Flying into the same wind the plane only went 279 km/h....
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