SOLUTION: Mary's sister is 7 years older than Mary.Their combined ages add up to 35. How old is Mary?

Algebra ->  Customizable Word Problem Solvers  -> Age -> SOLUTION: Mary's sister is 7 years older than Mary.Their combined ages add up to 35. How old is Mary?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 235127: Mary's sister is 7 years older than Mary.Their combined ages add up to 35. How old is Mary?
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Let represent Mary's age. Then represents Mary's sister's age.



Solve for


John