SOLUTION: Father is four times as old as his son today. Six years ago,the product of the number denoting their ages was 252. Find their present ages.

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Question 935782: Father is four times as old as his son today. Six years ago,the product of the number denoting their ages was 252. Find their present ages.
Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
1) F=4x
2) (F-6)(x-6)=252

combining by substitution...
(4x-6)(x-6)=252
which has a solution of x=12 (the other is -9/2 and is extraneous for our goal)
so the father is 48 and the son is 12