SOLUTION: You are in charge of putting together the homecoming parade. There are 21 entries, but only room for 15. How many ways can you select the participants in the parade ?
My work
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-> SOLUTION: You are in charge of putting together the homecoming parade. There are 21 entries, but only room for 15. How many ways can you select the participants in the parade ?
My work
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Question 1115876: You are in charge of putting together the homecoming parade. There are 21 entries, but only room for 15. How many ways can you select the participants in the parade ?
My work :
21C15 = 54264
