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10 February, 11:03

Y varies directly as x. If y = 4 when x=2, find y when x = 22

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  1. 10 February, 11:04
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    using the equation y=kx

    4=k*2

    k=2 as you do 4/2

    so itll be y=2x

    therefore y=44 is y=22*2 equals 44
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