Asked by prosofyna

A father is now three times as old as his son, twelve years ago he was six times as old as his son. how old are the son and the father?

9 years ago

Answered by Reiny

now:
son ---- x
father -- 3x

12 years ago:
son = x-12
father = 3x-12

3x-12 = 3(x-12)

solve for x

9 years ago

Answered by Tobias

9 years ago

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