SOLUTION: Paul is four years older than Joe. Eight years ago, he was twice as old as Joe was then. How old are Paul and Joe now?

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Question 953986: Paul is four years older than Joe. Eight years ago, he was twice as old as Joe was then. How old are Paul and Joe now?
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
Paul is four years older than Joe. Eight years ago, he was twice as old as Joe was then. How old are Paul and Joe now?
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let x=Joe's age
x+4=Paul's age
..
8 yrs ago:
x+4-8=x-4=Paul's age
x-8 = Joe's age
x-4=2(x-8)
x-4=2x-16
x=12
x+4=16
Joe's age=12
Paul's age=16