A son is 8 years old. His father is five times as old.

How old was the father when his son was born?

2 answers

A son is 8 years old. His father is five times as old.

* How old will the father be when he will be twice as old as his son?
son = 8
father = 5*8 = 40
when son was born, father was 32
In x years, you want
40+x = 2(8+x)
Now solve for x