SOLUTION: The son is 20 years younger than the father. 10 years ago the father was 3 times the son's age. How old is the son, and how old is the father

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Question 824070: The son is 20 years younger than the father. 10 years ago the father was 3 times the son's age. How old is the son, and how old is the father
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
f=20+s,
f-10=3*(s-10)
f = 40, s = 20