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28 May, 13:53

Y varies inversely with x k = 2.8 What is the value of x when y is 22.4? A. x = 62.72 B. x = 8 C. x = 2.8 D. x = 0.125

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  1. 28 May, 14:14
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    D

    working:

    y=k/x

    when k=2.8

    y=2.8/x

    sub y=22.4,

    22.4=2.8/x

    x=2.8/22.4

    x=0.125
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