Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 1 - Review Exercises - Page 153: 46

Answer

2500 at 4.5% and 3500 at 5.5 %

Work Step by Step

Let x denote the amount invested in the account pertaining to 4.5%. 0.045x + 0.055(6000-x) = 305 0.045x + 330 - 0.055x = 305 0.01x = 25 x = 2500 6000 - 2500 = 3500 (Amount invested in the 5.5% account)
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