SOLUTION: Applications of Linear Equations Walt made an extra $9000 last year from a part-time job. He invested part of the money at 9% and the rest at 8%. He made a total of $770 in inte

Algebra ->  Customizable Word Problem Solvers  -> Finance -> SOLUTION: Applications of Linear Equations Walt made an extra $9000 last year from a part-time job. He invested part of the money at 9% and the rest at 8%. He made a total of $770 in inte      Log On