Finite Math and Applied Calculus (6th Edition)

Published by Brooks Cole
ISBN 10: 1133607705
ISBN 13: 978-1-13360-770-0

Chapter 6 - Section 6.2 - Cardinality - Exercises - Page 416: 46

Answer

$A'\cap (T\cup W)$ 6.1 million

Work Step by Step

From the table we see that the set of sales in years other than 2009 can be written in a form $A'$ and the set of sales in the West and South can be written in a form $T\cup W$ Therefore the set of sales in the West and South in years other than 2009 is $A'\cap (T\cup W)$ From the table we see that its cardinality is $1.9+1.9+1.1+1.2=6.1$ (million)
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