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math 7 accelerated

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Yanira is 3 years older than Tim and twice as old as Hannah. Tim is 2 years older than Hannah. How old are Yanira Tim and Hannah?

Explain how you did the problem and the answer.

  • math 7 accelerated -

    Tim's age --- x
    Yanira's age -- x+3
    Hannah's age = (1/2)(x+3)

    Tim is 2yrs older than Hannah
    ----> x = (1/2)(x+3) + 2
    times 2

    2x = x+3 + 4
    x = 7

    So Tim is 7
    Yanira is 10
    Hannah is 5

    All conditions are met.

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