SOLUTION: A father is twice as old as his son, 12 years ago,the father was 4 times older as his son, determine their present ages

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Question 804703: A father is twice as old as his son, 12 years ago,the father was 4 times older as his son, determine their present ages

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
f=2s,
f-12=4*(s-12)
f = 36, s = 18