SOLUTION: Five years ago, a father was 3times as old as his son. Now,their combined ages amount to 110 year.what is the present age of the father.

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Question 1070097: Five years ago, a father was 3times as old as his son. Now,their combined ages amount to 110 year.what is the present age of the father.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
f father
s son
f-5=3%28s-5%29%2Cf%2Bs=110


f-5=3%28110-f-5%29
f-5=3%28105-f%29
f-5=315-3f
4f=320
highlight%28f=80%29
-
highlight%28s=30%29