Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 9 - Basic Algebra - 9.6 Solving Equations - 9.6 Exercises: 43

Answer

$r=4$

Work Step by Step

We are given the equation $48=12r$. In order to solve, we must divide both sides by 12. $\frac{48}{12}=4=\frac{12\times r}{12}$ Therefore, $r=4$.
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