SOLUTION: Problem: 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 interest. How much was investe

Question 149097: Problem: 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 interest. How much was invested at 8%?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
= amount invested at 9%
= amount invested at 8%
and,

$4,000 was invested at 8%
check answer:

OK
RELATED QUESTIONS
Walt made an extra $9000 last year from a part-time job. He invested part of the money... (answered by checkley71)

Walt made an extra $9000 last year from a part-time job. he invested part of the money... (answered by checkley77,stanbon)

Walt made an extra 9000 last year from a part time job. He invested part of the money at... (answered by ankor@dixie-net.com)

Walt made an extra $9000 last year from a part-time job. He invested part of the money at (answered by ankor@dixie-net.com)

Walt made an extra $9000 last year from a part-time job. He invested part of the money at (answered by jim_thompson5910)

Walt made an extra $9000 last year from a part-time job. He invested part of the money at (answered by greenestamps)

Walt made an extra $5000 last year from a part time job. He invested part of the money at (answered by mananth)

I do not understand how to set this problem up.Please help.Also, how can I check my... (answered by Earlsdon,Alan3354)

Walt made an extra $9000 last year from a part-time job. He invested part of the money at (answered by josmiceli)