a father is three times as old as his son.in 10 years time he will be double his son s age.find their present ages
Here is the link for the answer to a similar query:
https://www.meritnation.com/ask-answer/question/a-father-is-three-times-as-old-as-his-son-however-after-12-y/simple-equations/2695090
https://www.meritnation.com/ask-answer/question/a-father-is-three-times-as-old-as-his-son-however-after-12-y/simple-equations/2695090