SOLUTION: John is 4 times as old as Martha. Eight years ago the sum of their ages was sixty-nine. How old are they now?

Algebra ->  Customizable Word Problem Solvers  -> Age -> SOLUTION: John is 4 times as old as Martha. Eight years ago the sum of their ages was sixty-nine. How old are they now?       Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 441376: John is 4 times as old as Martha. Eight years ago the sum of their ages was sixty-nine. How old are they now?

Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
J=4M
(J-8)+(M-8)=69
-----------
J+M-16=69
4M+M=85
5M=85
M=17
J=68
John is 68. Martha is 17..