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14 December, 19:05

X: y = 5:3 and x + y=56

Work out the value of x-y

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Answers (1)
  1. 14 December, 19:07
    0
    14

    Step-by-step explanation:

    Given: x : y = 5: 3

    Therefore, let x = 5a and y = 3a

    x + y = 56

    5a + 3a = 56

    8a = 56

    a = 56/8

    a = 7

    x = 5*7 = 35

    y = 3*7 = 21

    Therefore,

    x - y = 35 - 21 = 14
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