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: 44



Work Step by Step

Use cross multiplication. $\frac{6.8}{100}=\frac{9.18}{x}$ $6.8x=9.18\times100$ $6.8x\div6.8=918\div6.8$ $x=135$
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