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Today, 02:26

If y varies directly with with x and y=20 when x = 2.5, what is the value of y when x = 8? (type the numerical value of x only)

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  1. Today, 02:40
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    Y = kx

    k = y/x = 20 / 2.5 = 8

    when x = 8

    y = kx = 8 * 8

    y = 64

    answer

    64
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