SOLUTION: Casandra invested a total of $71,000 in two accounts. One account pays 5.9% interest annually; the other pays 2.5% interest annually. At the end of the year, Casandra earned a tota

Question 1170757: Casandra invested a total of $71,000 in two accounts. One account pays 5.9% interest annually; the other pays 2.5% interest annually. At the end of the year, Casandra earned a total interest of $3,441. How much money did Casandra invest in each account?

Answer by ikleyn(52800) (Show Source): You can put this solution on YOUR website!
.


The basic equation for the 5.9% account is


    0.059x + 0.025*(71000-x) = 3441.


You do the rest.

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It is a standard and typical problem on investments.

If you need more details, or if you want to see other similar problems solved by different methods, look into the lesson
- Using systems of equations to solve problems on investment
in this site.

You will find there different approaches (using one equation or a system of two equations in two unknowns), as well as
different methods of solution to the equations (Substitution, Elimination).

Also, you have this free of charge online textbook in ALGEBRA-I in this site
- ALGEBRA-I - YOUR ONLINE TEXTBOOK.

The referred lesson is the part of this online textbook under the topic "Systems of two linear equations in two unknowns".

Save the link to this online textbook together with its description

Free of charge online textbook in ALGEBRA-I
https://www.algebra.com/algebra/homework/quadratic/lessons/ALGEBRA-I-YOUR-ONLINE-TEXTBOOK.lesson

to your archive and use it when it is needed.

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