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Five years ago I was five times my son's age. In 8 years I will be 3 times by son's age.

Solution

Five years ago I was five times my son's age. In 8 years I will be 3 times by son's age.

Solution

my age is : 70

Son^{'} s age is : 18

Solution steps

Translate the problem into an equation:

x - 5 = 5 (y - 5), x + 8 = 3 (y + 8)

x - 5 = 5 (y - 5), x + 8 = 3 (y + 8) : x = 70, y = 18

my age is : 70

Son^{'} s age is : 18

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