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17 March, 15:18

Find the value of x and y so that both proportions will be correct:

x:1 2 / 3=y:3 1/3 and y:1.5=0.2:0.75

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Answers (2)
  1. 17 March, 18:11
    0
    y:1.5=0.2:0.75

    so y=1.5*0.2/0.75=0.4

    x:1 2 / 3=y:3 1/3

    so x=1 2/3*0.4/3 1/3=0.2
  2. 17 March, 18:57
    0
    Note that a:b = c:d is the same as a/b = c/d

    y:1.5=0.2:0.75 same as y/1.5 = 0.2/0.75

    y = 0.4

    x: 1 2/3=y:3 1/3 same as x/1 2/3 = y / 3 1/3

    x = y/2 = 0.2
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