Prealgebra (7th Edition)

by Martin-Gay, Elayn

Published by Pearson

ISBN 10: 0321955048

ISBN 13: 978-0-32195-504-3

Chapter 2 - Section 2.4 - Multiplying and Dividing Integers - Exercise Set - Page 130: 121

Answer

a) The number decreased by 26,932. b) The average decrease per year is 6733.

Work Step by Step

a) $33319-6387=26932$ b) $2012-2008=4\ $years average change per year = $26932\div4=6733$

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