Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 3 - Equations and Problem Solving - 3.2 - Equations and Problem Solving - Problem Set 3.2 - Page 107: 71


The width of the floor is 4 meters.

Work Step by Step

Let X represent the width of the floor. Five times the width of the floor means 5X 2 meters less than five times the width of the floor means 5X - 2 The length of a rectangular floor is 18 meters. So, we obtain: 5X - 2 = 18 Add 2 to both sides 5X = 20 Divide both sides by 5 X = 4
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