Question

The age of a man is 4 times of his son. Five years ago, the man was nine times old as his son was at that time. The present age of man is?

Answer 1

let the age of the son x then the age of the father is at the present time but five years ago the age of age of father is X - 5 into then solve the equation x minus equal to X - 45 and the age of father is 20 years