Question

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 1

he can choose as follows:
Only 1 entree: 3 groups
Only 2 entrees: 3 groups
All the 3 entrees: 1 group

total groups of entrees= 3 + 3 + 1 = 7 groups


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