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16 March, 18:04

Pamela is 10 years younger than jiri the sum of their age is 70

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Answers (2)
  1. 16 March, 18:32
    0
    Pamela = 30

    Jiri = 40

    Step-by-step explanation:

    Two equations needed:

    J-10 = P

    P+J = 70

    Plug and solve:

    (J-10) + J = 70

    2J - 10 = 70

    2J = 80

    J = 40

    40 - 10 = P

    P=30
  2. 16 March, 18:34
    0
    30

    Step-by-step explanation:

    Let Jiri's age be x

    Let Pamela's age be (x - 10)

    The sum of their ages becomes

    x + (x - 10) = 70

    x + x - 10 = 70

    2x - 10 = 70

    2x = 70+10

    2x = 80

    x = 40

    Therefore, it means that Jiri's age is 40

    Pamela's age is 40-10 = 30
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