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4 February, 12:23

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

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Answers (2)
  1. 4 February, 12:40
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    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
  2. 4 February, 16:03
    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
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