Back to 11.8 Solving Systems with Cramer's Rule

11.8 Exercise 68

Avg difficulty 2.5

Create a system of linear equations to describe the behavior. Then, solve the system for all solutions using Cramer’s Rule.

You invest $10,000 into two accounts, which receive 8% interest and 5% interest. At the end of a year, you had $10,710 in your combined accounts. How much was invested in each account?

OpenStax Algebra and Trigonometry 2e, 11.8 Solving Systems with Cramer's Rule, exercise 68

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Adapted from College Algebra © 2021 Rice University. Licensed under CC BY 4.0. Sources: College Algebra 2e, Algebra and Trigonometry 2e, Precalculus 2e, College Algebra with Corequisite Support 2e. Imported at revision 4922e46.