Algebra: A Combined Approach (4th Edition)

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

Chapter 2 - Section 2.4 - An Introduction to Problem Solving - Exercise Set: 12

Answer

5 and 16 inches

Work Step by Step

$21=x+3x+1$ $21=4x+1$ $20=4x$ $x=5$ The length of the longer piece: 21-x=16
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