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24 February, 23:13

If y varies directly as x, and y = 7 when x = 4, find y when x = 16.

y =

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  1. 24 February, 23:29
    0
    y=28

    Step-by-step explanation:

    y=kx

    7=k4

    7/4=k

    y=kx

    y=7/4 x16

    =7x4

    =28
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