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Elementary Algebra

Lynn Marecek, MaryAnne Anthony-Smith

$Math Studyset 91影视 Explanations$ Math

2nd Edition 路 1240 pages

ISBN: 9780998625713

Chapter 8: Q. 427 (page 999)

Marisol solves the proportion $\frac{144}{a} = \frac{9}{4}$ by 鈥榗ross multiplying鈥�, so her first step looks like 4 路 144 = 9 路 a. Explain how this differs from the method of solution shown in Example 8.72.

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Marisol solves the proportion 144a=94by 鈥榗ross multiplying鈥�, so her first step looks like 4 路 144 = 9 路 a. Explain how this differs from the method of solution shown in Example 8.72.

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Marisol solves the proportion $\frac{144}{a} = \frac{9}{4}$ by 鈥榗ross multiplying鈥�, so her first step looks like 4 路 144 = 9 路 a. Explain how this differs from the method of solution shown in Example 8.72.