Question

a man is 3 times as old as his son. the sum of their ages is 48 years, how old is the son?

Answer 1

Let the sons age = x

The dads age would be 3x ( 3 times the sons age)

X + 3x = 48

Simplify:

4x = 48

Divide both sides by 4

X = 12

The sons age is 12