Question 504581: A local organization is having a raffle drawing to give away five $100 gift certificates. If 155 people enter the raffle by each buying exactly one ticket, how many different groups of 5 winners can there be?
Answer by jorel1380(3719)   (Show Source):
You can put this solution on YOUR website! If 155 people enter the raffle, and 5 distinct winners are chosen (winners can win only one prize each), then the total amount of groups of winners would be:
155x154x153x152x151=83,823,228,720 ☺☺☺☺
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