SOLUTION: Coach Johnson is 10 years older than Tim. When Tim started football 3 years ago, Coach Johnson was twice his age. How old is Tim now?

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Question 632127: Coach Johnson is 10 years older than Tim. When Tim started football 3 years ago, Coach Johnson was twice his age. How old is Tim now?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
c=t+10;
2*(t-3)=c-3
c=23
t=13