Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 6 - Section 6.2 - Proportions - Exercise Set: 7


$\frac{2\frac{1}{4}}{24} = \frac{6\frac{3}{4}}{72}$ or $\frac{\frac{9}{4}}{24}=\frac{\frac{27}{4}}{72}$

Work Step by Step

x is to y is the same as $\frac{x}{y}$ So $2\frac{1}{4}$ cups of flour is to 24 cookies as $6\frac{3}{4}$ cups of flour is to 72 cookies is the same as $\frac{2\frac{1}{4}}{24} = \frac{6\frac{3}{4}}{72}$ or $\frac{\frac{9}{4}}{24}=\frac{\frac{27}{4}}{72}$
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