SOLUTION: A father is currently six times older than his son. In 10 years time his son will be 20 years younger than his dad. How old is the son now?

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Question 803737: A father is currently six times older than his son. In 10 years time his son will be 20 years younger than his dad. How old is the son now?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
f=6s
s+10=f+10-20
s+10=f-10
s+20=f
s+20=6s
20=5s
s=4
f=24
check
14=34-20
ok