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11 September, 19:59

Suppose y varies directly as x. If y = 8 when x = 24, what is the value of x when y = 9?

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  1. 11 September, 21:15
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    Y varis direcsly as x means

    y=kx where k is the constant of variation

    given

    y=8 and x=24

    8=24k

    divide 24 both sides

    1/3=k

    y=1/3x

    y=9

    9=1/3x

    times 3/1

    27=x

    27 is x when y=9
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