Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 1 - Section 1.4 - Properties of Real Numbers and Algebraic Expressions - Exercise Set - Page 39: 40

Answer

$\frac{9}{10}\times\frac{x}{2}$

Work Step by Step

The commutative property of multiplication holds that $a\times b=b\times a$. In this example, we can set $a\times b=\frac{x}{2}\times\frac{9}{10}$. So, $a=\frac{x}{2}$ and $b=\frac{9}{10}$. So an equivalent expression would be $b\times a=\frac{9}{10}\times\frac{x}{2}$.
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