Question

Please pls solve it fast ​

Answer 1

Step-by-step explanation:

let sons age be x

let fathers age be y

y=3x

After 20 years

(y+20)=2(x+20)

Answer 2

Step-by-step explanation:

Let sons age be x

let father's age be y

y = 3 x

After 20 years

(y+20)=2(x+20)