Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 2 - Real Numbers - 2.1 - Rational Numbers: Multiplication and Division - Problem Set 2.1 - Page 49: 83


$\frac{7}{4}$ cups

Work Step by Step

One recipe calls for 3$\frac{1}{2}$ cups of milk, which equals $\frac{7}{2}$ cups of milk. Since she wants to make one-half of the recipe, she must use one-half of the milk needed for one recipe We divide $\frac{7}{2}$ by 2 $\frac{7}{2}$ $\div$ 2 = $\frac{7}{2}$ $\times$ $\frac{1}{2}$ Multiply the numerators by each other, and multiply the denominators by each other: $\frac{7}{2}$ $\times$ $\frac{1}{2}$ = $\frac{7}{4}$ She will use $\frac{7}{4}$ cups.
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