Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 1 - Introduction to Algebraic Expressions - 1.5 Addition of Real Numbers - 1.5 Exercise Set: 89

Answer

18n + 16

Work Step by Step

To find the perimeter, we write it as a sum of the length of each side. Then, combine like terms. 9 + 6n + 7 + 8n + 4n = 6n + 8n + 4n + 9 + 7 = 18n + 16
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