### Algebra Exercises - 1. Donna invested her $33,000 bonus and received a total of $970 in interest after one year. If part of the money returned 4% and the remainder 2.25%, then how much did she invest at each rate? 2. Write a system of two equations in two unknowns for each problem. Solve each system by substitution. See Examples 7 and 8. ... [See the attached questions files.]

Please have a look to the attached word document with several algebra exercises. Section 7.1 Exercise 76 - Page 451 Write a system of two equations in two unknowns for each problem. Solve each system by substitution. See Examples 7 and 8. 76. Investing her bonus. Donna invested her $33,000 bonus and received a total of