Basic College Mathematics (9th Edition)

by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.

Published by Pearson

ISBN 10: 0321825535

ISBN 13: 978-0-32182-553-7

Chapter 6 - Percent - 6.4 Using Proportions to Solve Percent Problems - 6.4 Exercises - Page 420: 33

Answer

52%

Work Step by Step

Part= 780; whole= 1500 $\frac{780}{1500}=\frac{x}{100}$ Write the fraction in the lowest terms: $\frac{13}{25}=\frac{x}{100}$ Cross products: $25x=1300$ Divide by 25: $x=52$

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