Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 7 - Section 7.3 - Solving Percent Problems with Proportions - Exercise Set: 62


The percent is not 50.

Work Step by Step

Substitute 50 for the variable and cross multiply. $\frac{36}{12}\overset?=\frac{50}{100}$ $36\times100\overset?=50\times12$ $3600\overset?=600\ X$
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