math

The sum of the ages of the three Romano brothers is 63. If their ages can be represented as consecutive integers, what is he age of the middel brother?

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  1. let the middle brother's age be x
    then the oldest is x+1
    and the youngest is x-1

    x-1 + x + x+1 = 63

    solve for x to get middle brother's age.

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  2. 63 is three times the average age (which is that of the middle brother), so that age much be 21. The ages of all three are therefore 20, 21 and 22.

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