Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 3 - Test - Page 207: 4

Answer

$(15x+15)\ $ inches

Work Step by Step

The perimeter is the sum of the lengths of the sides. $3(5x+5)$ $\longrightarrow$distributive property $15x+15$
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