SOLUTION: Walt made an extra $7000 last year from a part-time job. He invested part of the money at 6% and the rest at 8%. He made a total of $500 in interest. How much was invested at 8%?

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Question 648394: Walt made an extra $7000 last year from a part-time job. He invested part of the money at 6% and the rest at 8%. He made a total of $500 in interest. How much was invested at 8%?
The equation I came up with was:
.06x+.08y=500
But that looks all kindsa wrong
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Walt made an extra $7000 last year from a part-time job. He invested part of the money at 6% and the rest at 8%. He made a total of $500 in interest. How much was invested at 8%?
The equation I came up with was:
.06x+.08y=500
But that looks all kindsa wrong
=======================
No, you're wrong, you're right. jk
Your equation is correct.
Add another equation, x + y = 7000 and solve them.
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.06x+.08y=500
x + y = 7000