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.
Elementary Algebra
by Kaufmann, Jerome; Schwitters, Karen;
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 - Page 161: 18
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