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OpenStax, Elementary Algebra 2e §5.5 Solve Mixture Applications with Systems of Equations · Try It 11 · Algebra · Systems

Solve Mixture Applications with Systems of Equations · Try It 11

Translate to a system of equations and solve:
Laura owes $18,000 on her student loans. The interest rate on the bank loan is 2.5% and the interest rate on the federal loan is 6.9 %. The total amount of interest she paid last year was $1,066. What was the principal for each loan?

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OpenStax, Elementary Algebra 2e · §5.5 Solve Mixture Applications with Systems of Equations · Try It 11

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