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March 28, 2017

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SALLYS AGE IS 12 YEARS PLUS HALF HER AGE. HOW OLD IS SHE?

  • MATH - ,

    Umm i don't think you have enough info to answer the question is that one of your choices?

  • MATH - ,

    THATS THW WHOLE QUESTION. IM THINKING THE ANSWER IS 18 YEARS OLD.
    12+6

  • MATH - ,

    Would "12 years plus half of 18" equal to 18?
    How about working out:
    "12 years plus x/2 equals x"

  • MATH - ,

    sorry I don't get it
    SALLYS AGE IS 12 YEARS PLUS HALF HER AGE. HOW OLD IS SHE?

  • MATH - ,

    The problem is that we don't know Sally's age. All we know is that she is x years old and x equals 12 + x/2.

    x = 12 + (1/2)x
    (1/2)x = 12
    x = 24

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