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12 February, 20:50

Y is directly proportional to x, and y = 216 when x=2 find y when x=7

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  1. 12 February, 21:51
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    Y = kx

    @ y = 216, x = 2

    k = y/x = 216/2 = 108

    @ x=7

    y = (108) (7) = 756
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