## Precalculus (10th Edition)

Published by Pearson

# Chapter 13 - Counting and Probability - 13.1 Counting - 13.1 Asses Your Understanding - Page 847: 22

#### Answer

$52$

#### Work Step by Step

According to the picture: $n(A \cup B \cup C)=4+15+3+5+2+10+2+15-n(\overline{A}\cap\overline{B}\cap\overline{C})=4+15+3+5+2+10+2+15-(4)=52.$

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