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 493: 60


The base is 800.

Work Step by Step

Substitute 800 for the variable and cross multiply. $\frac{520}{800}\overset?=\frac{65}{100}$ $520\times100\overset?=65\times800$ $52000=52000$
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