Math Homework, Help
posted by Byron .
Aaron is 21 years younger than Ryan. In 5 years Ryan will be twice as old as Aaron. How old are they now?

Math Homework, Help 
Graham
Let A be Aaron's age, and R be Ryan's age (current).
Thus we're given:
A = R21
2(A+5) = R+5
Solve these simultaneous equations.
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