Answer
52 ounces are needed for 9 servings.
Work Step by Step
$\frac{23\ ounces}{4\ servings} = \frac{x\ ounces}{9\ servings}$
$4x = 23\times9$
$\frac{4x}{4} = \frac{207}{4}$
$x = 52$
Basic College Mathematics (10th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
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
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