SOLUTION: Ana is three more than twice as old as Jack. The sum of their ages is 72. Write an equation to find jacks age (x). Find anas age.

Algebra ->  Customizable Word Problem Solvers  -> Age -> SOLUTION: Ana is three more than twice as old as Jack. The sum of their ages is 72. Write an equation to find jacks age (x). Find anas age.       Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 1107221: Ana is three more than twice as old as Jack. The sum of their ages is 72. Write an equation to find jacks age (x). Find anas age.
Answer by addingup(3677) About Me  (Show Source):
You can put this solution on YOUR website!
A = 2x+3
A+x = 72; A = 72-x
72-x = 2x+3
69 = 3x
move the unknown to the left
3x = 69
x = 69/3
x = 23