Question

father is 3 times older than his son, or 28 years older. How old is the son?

Answer 1

Answer:

Let the son's age be b

Let the fathers age be 3b

But from the question, 3b=28

Therefore, b=28/3

And the sons age = 9 years

Answer 2

Answer:

Let the son's age be x

Let the father's age be 3x

As,3x=28

Therefore, x=28/3

Hence the son's age = 9 years