SOLUTION: if father's age is three times his son's age, ten years ago he was five times his son's age. find their present ages?

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Question 318273: if father's age is three times his son's age, ten years ago he was five times his son's age. find their present ages?
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Let represent the father's age. Let represent the son's age.

Situation now:



Situation 5 years ago:



Substitute:



Solve for to get the son's present age. The rest follows directly.

John