beth is two years older than julio.Gerald is twice as old as beth.debra is twice as old as gerald.the sum of theIr ages is old is beth?

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  1. B=age of Beth,
    J=age of Julio
    G=age of Gerald
    D=age of Debra

    Equations, expressed in terms of J
    J+B+G+D=38 and substitute above values:
    Backsubstitute J in the above equations to get the ages of Beth, Gerald and Debra.

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    posted by MathMate

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