Mathematics, 22.07.2020 23:01 Val03

Please help!! An airplane can travel at an airspeed of 300 km/h. if it travels 450 km going against the wind in the same time that it can travel 630 km going with the wind, what is the speed of the wind?

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Please help!! An airplane can travel at an airspeed of 300 km/h. if it travels 450 km going against...

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