SOLUTION: Anna has 12 pairs of shoes and she needs to choose seven different pairs to wear during the week. In how many ways can she do this:
a) if she simply wants to select seven pairs
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a) if she simply wants to select seven pairs
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Question 92850: Anna has 12 pairs of shoes and she needs to choose seven different pairs to wear during the week. In how many ways can she do this:
a) if she simply wants to select seven pairs
b) if the first pair she selected will be worn on Sunday, the second on Monday; the third on Tuesday and so on.. Answer by psbhowmick(529) (Show Source):
