Answer
books either Sci Fi books or books in Texas.
$112,000$
Work Step by Step
$S\cup T$ is the set of books either Sci Fi books or books in Texas.
$n(S\cup T)=n(S)+n(T)-n(S\cap T)=33,000+94,000-15,000=112,000$
Finite Math and Applied Calculus (6th Edition)
by Waner, Stefan; Costenoble, Steven
Published by
Brooks Cole
ISBN 10:
1133607705
ISBN 13:
978-1-13360-770-0
Chapter 6 - Review - Review Exercises - Page 442: 25
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