Math Problem Statement
A bank loaned out $12 ,000, part of it at the rate of 9 % per year and the rest at 19 % per year. If the interest received in one year totaled $1500, how much was loaned at 9 % ? How much of the $12 ,000 did the bank loan out at 9 % ?
Solution
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Math Problem Analysis
Mathematical Concepts
Systems of Linear Equations
Interest Calculations
Formulas
Linear equation formula
Interest formula (simple and compound)
Theorems
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Suitable Grade Level
Grades 9-12