Natalie has 12 shirts and 7 pairs of pants. Each shirt can be worn with each pair of pants. How many different combinations of 1 shirt and 1 pair of pants does Natalie have to choose from? A.) 7 B.) 12 C.) 19 D.) 42 E.) 84 Forget Natalie, right now. Here's a similar, more basic example:
A basic example: how many different ways can the numbers be matched with the letters, below: 1, 2, 3 A, B 1A 2A 3A 1B 2B 3B 3 numbers x 2 letters = 6 ways  Back to Natalie: Possibilities for: 12 shirts and 7 pairs of pants = 12 x 7 = 84 different combinations E.)  Algebra House
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