College Algebra (6th Edition)

by Blitzer, Robert F.

Published by Pearson

ISBN 10: 0-32178-228-3

ISBN 13: 978-0-32178-228-1

Chapter 1 - Equations and Inequalities - Exercise Set 1.3 - Page 134: 39

Answer

2000 dollars at 6% and 5000 dollars at 8%

Work Step by Step

0.06x+0.08(7000-x)=520 0.06x+560-0.08x=520 -0.02x=-40 x=2000 at 6% 7000-2000=5000 at 8 %

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