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Three children

Three children

A man has three children, the oldest of whom is three years older than the median who is three years older than the youngest. The ages of the three children total 57.

How old is the youngest son?

Solution

If we convert the statement into an equation we have to: x + (x + 3) + (x + 6) = 57 where x = 16 is the age of the youngest son.