Using the multiplication rule of counting, there can be 56 different shirts available from this company.
Multiplication rule of counting is the intuitive idea that if there are a ways of doing something and b ways of doing another thing, then there are a · b ways of performing both actions.
Number of designs available = 4
Number of sleeves option = 2
Number of color patterns = 7
Number of different shirts available = 4 * 2 * 7 = 56
Learn more about multiplication rule of counting here
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