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26 August, 15:54

Y is directly proportional to x, and y=56 when x=7. find the value of y when x=4.

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  1. 26 August, 17:17
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    Y=kx

    when y=56, x=7

    56=7k

    k=8

    when x=4

    y=8 (4)

    y=32

    value of y=32
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