College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 1 - Section 1.1 - Linear Equations - 1.1 Assess Your Understanding - Page 92: 96

Answer

Width = 7 Length = 2 x 7 = 14

Work Step by Step

Perimeter = 2(length + width) Perimeter = 42 meters Length = 2width (given) Replacing in formula Perimeter = 2((2w) + w) 42 = 2( 3w) $\frac{42}{2}$ = 3w 21 = 3w $\frac{21}{3}$ = width Width = 7 Length = 2 x 7 = 14
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