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A fisherman has 13 different trout flies. How many different selections of 7 flies each can he make?

 Oct 24, 2019
 #1
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13c7=1716

 Oct 24, 2019
 #2
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Good job SVS. This problem uses Combination, and you might need to know the formula for this one, guest!

CalculatorUser  Oct 24, 2019

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