Question 624146: A man is 35 yrs old and his son 7 yrs now.In how many years will the son be half as old as his father Answer by ikdeep(226) (Show Source):
You can put this solution on YOUR website! After 21 years son be half as old as his father.
You can check step by step solution from the below link
http://www.algebraden.com/solved-problems/find-age/41.htm
Hope this will help you