Question

A man is 3 times as old as his son. Five years ago, he was 4 times as old as his son. Find their present ages.​

Answer 1

father = 45 ; son= 15

Explanation:

m = 3s

m-5 = 4(s-5)

3s - 5 = 4s - 20

4s - 3s = 20 - 5

s = 15

m = 3(15)

m = 45