math

a jet flies with wind at 1100 km/h and against the same wind at 750 km/h.Find the rate of the wind and the speed of the jet in still air.

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  1. Let y = wind speed and x = plane speed

    x + y = 1100
    x - y = 750

    Add the two equations.

    2x = 1850

    x = ?

    Solve for x. Insert value into one equation to find y. To check, insert both values into other equation.

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  2. x=925

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