Question

a man is four times as old as his son . after 10 years he will be twice as old as his son at that time . find their present age​

Answer 1

Answer:

20

Step-by-step explanation:

now - 10

after 10 years -20

Answer 2

Answer:

let son age be x and mam age 4x

after 10year

2(x+10)= 4x+10

20– 10 = 4x+10

10 = 2x

x= 10 \2

x = 5

so son age = 5 years and man age =20 years