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.
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 - 4.1 - Ratios and Proportions - Concept Quiz 4.1 - Page 148: 9
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