Practical Application of Linear Equations
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Walt made an extra $12,000 last year from a part-time job. He invested part of the money at 7% and the rest at 9%. He made a total of $970 in interest. How much invested at 7%?
I think the answer is $840 but I am not positive this is correct. Please help.
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Solution Summary
This solution helps with practical applications of linear equations.
Education
- BE, Bangalore University, India
- MS, University of Wisconsin-Madison
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