SOLUTION: The father is currently four times as old as his son. In six years, he will be three times as old as his son then, how old was the father 5 years ago?

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Question 1154070: The father is currently four times as old as his son. In six years, he will be three times as old as his son then, how old was the father 5 years ago?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
father, 4n
son, n
4n%2B6=3%28n%2B6%29
-
4n%2B6=3n%2B18
n=18-6
n=12
--------------4n=48--------father now

Five years ago:
48-5=highlight%2843%29-------------father's age five years ago