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24 April, 23:15

Given that y is inversely proportional to x, and y = 5 when x = 7, find the value of x when y = 70

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  1. 25 April, 00:52
    0
    5/7 = 70/X

    5X = 490

    X=98
  2. 25 April, 02:15
    0
    X:y=7:5

    7/5=x/70 (multiply both sides by 5)

    7=5x/70 (multiply both sides by 70)

    490=5x (divide both sides by 5)

    98=x
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