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 - Concept Quiz 4.3 - Page 161: 7



Work Step by Step

We use the following guideline to solve this problem. Original selling price - Discount = Discount sale price 100% $\times$ S - 30% $\times$ S = Discount sale price Discount sale price = 70% $\times$ S So, this statement is true.
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