Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 4 - Proportions, Percents, and Solving Inequalities - 4.3 - More on Percents and Problem Solving - Problem Set 4.3: 17

Answer

The solution of this equation is x = 450.

Work Step by Step

0.09x + 0.1(2x) = 130.5 Use the distributive property to obtain: 0.09x + 0.2x = 130.5 0.29x = 130.5 Divide both sides by 0.29: x = 450 The solution of this equation is x = 450.
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