OpenStax, Algebra and Trigonometry 2e §13.5 Counting Principles · Example 4 · Combinatorics · Permutations & combinations
Using the Multiplication Principle
Diane packed 2 skirts, 4 blouses, and a sweater for her business trip. She will need to choose a skirt and a blouse for each outfit and decide whether to wear the sweater. Use the Multiplication Principle to find the total number of possible outfits.
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OpenStax, Algebra and Trigonometry 2e · §13.5 Counting Principles · Example 4
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