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24 March, 08:24

If y=3.2 when x=1.6, find y when x=19

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Answers (2)
  1. 24 March, 08:33
    0
    This is a porportion. 1.6 19

    3.2 x

    1.6x = 60.8

    1.6 1.6

    x=38
  2. 24 March, 08:38
    0
    Y = 38

    3.2 / 1.6 = 2

    x / 19 = 2

    2 x 19 = 38
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