Michelle invested $18,000. Part of it was invested at 3% annual simple interest, and the rest was invested at 4%. Her interest income for the first year was $650. How much did she invest at each rate? Write a system of linear equations and solve.

Michelle invested $18,000. Part of it was invested at 3% annual simple interest, and the rest was invested at 4%. Her interest income for the first year was $650. How much did she invest at each rate? Write a system of linear equations and solve.

Elementary Algebra

17th Edition

ISBN:9780998625713

Author:Lynn Marecek, MaryAnne Anthony-Smith

Publisher:Lynn Marecek, MaryAnne Anthony-Smith

Chapter5: Systems Of Linear Equations

Section5.5: Solve Mixture Applications With Systems Of Equations

Problem 5.98TI: Translate to a system of equations and solve: Julius invested $7,000 into two stock investments. One...

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Question

Michelle invested $18,000. Part of it
was invested at 3% annual simple
interest, and the rest was invested at
4%. Her interest income for the first
year was $650. How much did she
invest at each rate? Write a system
of linear equations and solve.

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