Answer
12
Work Step by Step
As we know in U.S. Metric system 12 inches = 1 ft
Basic College Mathematics (9th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0321825535
ISBN 13:
978-0-32182-553-7
Chapter 7 - Measurement - Review Exercises - Page 525: 9
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