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27 August, 22:35

Juations

John is n years old. Kim is three years younger than John and Vanessa is half

Kim's age

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Answers (1)
  1. 28 August, 01:59
    0
    John = 9

    Kim = 6

    Vanessa = 3

    Step-by-step explanation:

    John = n

    Kim = n - 3

    Vanessa = 0.5n - 1.5

    Add them:

    2.5n - 4.5 = 18

    2.5n = 22.5

    n = 9
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