SOLUTION: There are entrees available at a restaurant. From these, Archie is to choose for his party. How many groups of entrees can he choose, assuming that the order of the entrees chosen
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Question 380227: There are entrees available at a restaurant. From these, Archie is to choose for his party. How many groups of entrees can he choose, assuming that the order of the entrees chosen does not matter? Answer by stanbon(75887) (Show Source):
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