Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 2 - Section 2.5 - Formulas and Problem Solving - Exercise Set - Page 147: 25

Answer

120 feet

Work Step by Step

1. Understand the problem - we are looking for the length/height of the sign. 2. Translate the problem with the formula Area = length * width: 10,080 = length *84 3. Solve for length: 10,080 = 84l 120 = l 4. Interpret: The length is 120 feet.
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