# Chapter 10 Counting Methods and Probability - 10.1 Apply the counting Principles and Permutations - 10.1 Exercises - Skill Practice - Page 686: 9

60

#### Work Step by Step

We can choose 4 ways for Event A. For each of the ways we can choose 3 ways for event B and 5 for C. We multiply to get $3*5*4=60$

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