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Mathematics, 16.02.2021 20:00 DisneyGirl11

A plane flew 3000 km from Calgary to Montreal with the wind in 5 hours. The return flight into the wind took 6 hours. Find the wind speed and the speed of the plane in still air.

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A plane flew 3000 km from Calgary to Montreal with the wind in 5 hours. The return flight into the w...

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