SOLUTION: 10. Jennifer is twice as old as Ramon. The sum of their ages 7 yrs ago was 13. How old are they now?

Algebra ->  Customizable Word Problem Solvers  -> Age -> SOLUTION: 10. Jennifer is twice as old as Ramon. The sum of their ages 7 yrs ago was 13. How old are they now?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 374041: 10. Jennifer is twice as old as Ramon. The sum of their ages 7 yrs ago was 13. How old are they now?
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
R=X
J=2X
(X-7)+(2X-7)=13
X-7+2X-7=13
3X=13+14
3X=27
X=27/3
X=9 YEARS OLD IS RAMON NOW.
2*9=18 YEARS OLD IS JENNIFER NOW.
PROOF:
(9-7)+(18-7)=13
2+11=13
13=13