Question

a father is four times as his son now .if 5 year later, the father's age will be 3 times of his son's age​

Answer 1

Answer:

let the age (present) of

son be x

then age of his father is 4x

then,

age of son after 5 years x+5

and age of father after 5 years 4x+5

then according to question

4x+5= 3 ( x+5)

x= 15-5

x=10

Answer 2

Answer:

15 and before 10 of son

60 and before 50 of father

Step-by-step explanation:

Let the age of son be x and age of father=4x now.

Let the age of son x-5 then age of father will be 4x-5 later

So by comparing both equation u will get the answer