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17 September, 22:27

Given that y varies directly with x and y = 42 when x = 14, find y when x = 90.

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  1. 17 September, 22:54
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    Direct Variation equation: y=kx, k=y/x

    42/14=3

    k=3

    y=3x

    y=3 (90)

    y=270
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