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
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
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 - Page 132: 12
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