Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Chapter 7 - Similarity - 7-1 Ratios and Proportions - Practice and Problem-Solving Exercises - Page 438: 50


$\frac{30}{18}$ Multiply each side by $\frac{t}{18}$

Work Step by Step

You are given $\frac{30}{t}$=$\frac{18}{r}$ Multiply each side by $\frac{t}{18}$ $\frac{30}{t}$ x $\frac{t}{18}$ = $\frac{18}{r}$ x $\frac{t}{18}$ $\frac{30}{18}$=$\frac{t}{r}$
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