Elementary Algebra

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

Chapter 4 - Proportions, Percents, and Solving Inequalities - 4.1 - Ratios and Proportions - Concept Quiz 4.1: 9

Answer

True

Work Step by Step

From the first proportion we obtain ad = bc. From the second proportion we obtain ad = cb. Since bc = cb, we can see that the expressions are equivalent.
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