Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Chapter 12 - Counting and Probability - Section 12.1 Counting - 12.1 Assess Your Understanding: 23

Answer

$15$

Work Step by Step

There are 5 selections for first choice and 3 selections for second choice. According to multiplication principle of counting, the number of different shirt and tie outfits he can wear is: $= 5\times3 \\= 15$
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