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At present, a man is four times as old as his son. Six years ago, he was thirteen times as old ashis son. How old was the man when his son was born?

Solution

At present, a man is four times as old as his son. Six years ago, he was thirteen times as old ashis son. How old was the man when his son was born?

Solution

age when Son was born : 24

Solution steps

Translate the problem into an equation:

4 x - 6 = 13 (x - 6)

Solve for

x, 4 x - 6 = 13 (x - 6) : x = 8

Find age when Son was born:

24

age when Son was born : 24

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