Question

Harry is three times as old as his son, 10 years ago he was 4 times as old as his son was. Find their present ages.

Answer 1

harry=90years
son=30years

Answer 2

son age be x
harry age be 3x
10 years ago
son age x -10
harry age = 3x -10
now 4(x-10) = 3x-10
4x -40 = 3x -10
x = 30
son age = 30 years
haary age = 90 years