Basic College Mathematics (10th Edition)

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

Chapter 5 - Ratio and Proportion - 5.5 Solving Application Problems with Proportions - 5.5 Exercises - Page 363: 12


52 ounces are needed for 9 servings.

Work Step by Step

$\frac{23\ ounces}{4\ servings} = \frac{x\ ounces}{9\ servings}$ $4x = 23\times9$ $\frac{4x}{4} = \frac{207}{4}$ $x = 52$
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