## Prealgebra (7th Edition)

Published by Pearson

# Chapter 9 - Section 9.2 - Perimeter - Exercise Set - Page 623: 55

#### Answer

(20 - 16) $\div$ 4 = 1

#### Work Step by Step

(20 - 16) $\div$ 4 = (work within the brackets first) 4 $\div$ 4 = 1

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