Basic College Mathematics (9th Edition)

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 423: 67


2156 new products were successful.

Work Step by Step

If 86% were successful then 100-86=14% were successful. The percent is 14%. The whole is 15,401. The part is unknown. $\frac{x}{15401} = \frac{14}{100}$ $100x = 14\times15401$ $\frac{100x}{100}\times = \frac{215614}{100}$ $x = 2156.14$
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