Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 6 - Systems of Equations and Inequalities - Mid-Chapter Quiz - Page 389: 13

Answer

The width: 5.5 cm The length: 16.5 cm

Work Step by Step

Call the width:w and the length: l Length is 3 times the width: l=3w Perimeter: 2 (l+w)=44 Substitute l value: 2(3w+w)=44 Distribute: 6w+2w=44 Simplify: 8w=44 w=5.5 (Divide 8 from both sides) Substitute in value of w to find l: l=3(5.5)=> l=16.5 The length:16.5 cm and the with: 5.5 cm
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