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18 September, 01:30

If x varies inversely as y, and x=6 when y=72, find x when y=36

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  1. 18 September, 01:38
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    12

    Step-by-step explanation:

    x = k/y Multiply each side by y

    k = xy Insert values

    = 6 * 72

    = 432

    x = 432/y Let y = 36

    = 432/36

    x = 12
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