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14 November, 02:28

If y varies inversely as x and y=3 when x=8 what is x when y=4

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  1. 14 November, 02:33
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    x = 6

    Step-by-step explanation:

    y varies inversely as x

    y = k * 1/x. {where k is a constant}

    when y = 3, x = 8

    Therefore 3 = k/8 and k is 24

    y = 24/x

    When y = 4,

    4 = 24/x

    4x = 24

    (dividing both sides by 4)

    x = 6
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