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The sum of the father's age and his son's age is 60.Eight ye

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The sum of the father's age and his son's age is 60.Eight years ago,the fater's age was 3 times that of his son.How old is each of them?
The father‘s age is X and the son's age is Y.
X+Y=60
(Y-8)*3=X-8
SO:X=41 Y=19
The father‘s age is 41 and the son's age is 19.