OpenStax, Intermediate Algebra 2e §4.7 Graphing Systems of Linear Inequalities · Review Exercise 87 · Algebra · Systems
Graphing Systems of Linear Inequalities · Review Exercise 87
Translate to a system of equations and solve.
Jack has $12,000 to invest and wants to earn 7.5% interest per year. He will put some of the money into a savings account that earns 4% per year and the rest into CD account that earns 9% per year. How much money should he put into each account?
This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.
OpenStax, Intermediate Algebra 2e · §4.7 Graphing Systems of Linear Inequalities · Review Exercise 87
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