College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 10 - Section 10.1 - Counting - 10.1 Assess Your Understanding - Page 687: 23



Work Step by Step

As the shirts and ties are totally independent, meaning the choice of the shirt doesn't affect the tie, the number of outfits will be the variation of the two. A man has 5 shirts and with each shirt, the man can wear 3 ties. $5\times 3= 15$
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