Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 1 - Whole Numbers - 1.3 Subtracting Whole Numbers - 1.3 Exercises - Page 31: 96

Answer

This year there were $226,900$ more of these surgeries preformed than six years ago.

Work Step by Step

This year there were 555,800 knee surgeries performed in the United States. The number of knee surgeries performed six years ago was 328,900. $555,800-328,900=226,900$ This year there were $226,900$ more of these surgeries preformed than six years ago.
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