Prealgebra (7th Edition)

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

Chapter 6 - Section 6.2 - Proportions - Exercise Set - Page 427: 52



Work Step by Step

$\frac{12}{\frac{3}{4}}=\frac{48}{n}$ $\longrightarrow$ cross multiply to solve for n $12n=\frac{3}{4}\times48$$\longrightarrow$multiply $12n=36$$\longrightarrow$multiplication property of equality $12n\div12=36\div12$$\longrightarrow$ divide $n=3$
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