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Unformatted text preview: 4.5% each. The income after one year was $31,000. Let x represent the amount of money invested in short term notes, let y represent the amount invested in government bonds, and let z represent the amount invested in utility bonds. Then, choose the system of equations that can you use to determine how much money was placed in each account. INCORRECT: CORRECT: 5. Solve the system by elimination. CORRECT: (4, 6, 3)...
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 Spring '10
 gonzalez
 Algebra, Equations

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