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16 August, 16:44

If y=5 when x=2, find y when x=8

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Answers (2)
  1. 16 August, 17:00
    0
    Turn it into equal frations y/x = y/x

    5/2 = y/8

    cross multiply

    2y=40

    divide by 2 on each side

    y=20

    your answer is y=20
  2. 16 August, 17:08
    0
    Y would equal 20 because if y=5 when x=2 then when x gets multiplied by 4 to become 8 y would be multiplied by 4 also making it become 20
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