Answer
37
Work Step by Step
The number of files in 2012 was 122
The number of files in 2006 was 85
To find how much the number of files increased from 2006 to 2012, we subtract 85 from 122
122 - 85 = 37
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 3 - Section 3.3 - Solving Linear Equations in One Variable - Exercise Set - Page 190: 75
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