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13 February, 19:40

Julie has three children whose ages are consecutive odd integers. If x represents the youngest child's age, which expression represents the sum of her children's ages?

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  1. 13 February, 21:51
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    Use A, B, and C for the childrens ages.

    A (oldest child)

    B=A-2

    C=A-4

    The sum of their ages is A+B+C. Substitute.

    A + (A-2) + (A-4)

    3A-6 = sum of her childrens ages
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