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17 August, 18:47

Y varies inversely with x. When x = 3 then y = 5. Write an equation to represent this relationship.

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  1. 17 August, 18:56
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    Step-by-step explanation:

    y ∞ 1/x

    y = k/x

    Where k is the constant of proportionality

    When x = 3 and y = 5

    5 = k/3

    Cross multiply

    k = 5*3

    k = 15

    The equation is y = 15/x
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