Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapter 6 - Percent - 6.4 Using Proportions to Solve Percent Problems - 6.4 Exercises - Page 422: 74


300g of carbohydrates is the recommended daily value.

Work Step by Step

The part is 27. The percent is 9%. The whole is unknown. $\frac{27}{x} = \frac{9}{100}$ $9x = 27\times100$ $\frac{9x}{9} = \frac{2700}{9}$ $x = 300$
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