SOLUTION: Paula is twice as old as Ryan. Seven years ago the sum of their ages was 16. How old is Ryan now?
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Question 698528: Paula is twice as old as Ryan. Seven years ago the sum of their ages was 16. How old is Ryan now?
Answer by neatmath(302) (Show Source): You can put this solution on YOUR website!
Let P be Paula's current age.
Let R be Ryan's current age.
given
given
simplify the second equation
Then just substitute the into that simplified equation:
Thus, Ryan is now 10 years old, and Paula is 20 years old.
Check it, it works!
I hope this helps! Keep practicing! :)
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