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 - Page 492: 48



Work Step by Step

Use cross multiplication. $\frac{x}{100}=\frac{9310}{3800}$ $3800x=9310\times100$ $3800x\div3800=931000\div3800$ $x=245$
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