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: 18

Answer

The solution of this equation is x = 400.

Work Step by Step

0.11x + 0.12(3x) = 188 Use the distributive property to obtain: 0.11x + 0.36x = 188 0.47x = 188 Divide both sides by 0.47: x = 400 The solution of this equation is x = 400.
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