You can put this solution on YOUR website! .
A man is 4times older than his son. 5 years ago the product of their age is 175. find their present age.
~~~~~~~~~~~~~~
(1) When you use this form " A man is 4 times older than his son ", it shows that you (or the person who composed this problem)
are unfamiliar with the rules of English on how to use this form in Math problems.
The correct form is " A man is 4 times as old as his son ".
(2) Their current age is 10 years (the son) and 40 years (the father).
(3) 5 years ago they were 5 and 35 years old, respectively.
This problem (when presented correctly) is for mental solution in 5 seconds.
(