SOLUTION: A man is four times as old as his son.In five years time he wil be three times as old.what is their present ages

Algebra ->  Customizable Word Problem Solvers  -> Age -> SOLUTION: A man is four times as old as his son.In five years time he wil be three times as old.what is their present ages      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 947726: A man is four times as old as his son.In five years time he wil be three times as old.what is their present ages
Answer by amarjeeth123(569) About Me  (Show Source):
You can put this solution on YOUR website!
let the son's age be x.
Then the man's age is 4x.
In five years time their ages will be (x+5) and (4x+5)
(4x+5)=3(x+5)
4x+5=3x+15
x=10
The man's age is 40.
The son's age is 10 and the man's age is 40 years.