Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 1 - Section 1.1 - Introduction to Algebra: Variables and Mathematical Models - Exercise Set - Page 11: 40


$\frac{20}{x}$ + $\frac{x}{20}$

Work Step by Step

the sum of 20 divided by a number and that number divided by 20 Let the number be x 20 divided by a number = $\frac{20}{x}$ number divided by 20 = $\frac{x}{20}$ sum of $\frac{20}{x}$ and $\frac{x}{20}$ = $\frac{20}{x}$ + $\frac{x}{20}$
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