1989 AHSME Problems/Problem 24
Five people are sitting at a round table. Let be the number of people sitting next to at least 1 female and be the number of people sitting next to at least one male. The number of possible ordered pairs is
Five people are sitting at a round table. Let be the number of people sitting next to at least 1 female and be the number of people sitting next to at least one male. The number of possible ordered pairs is
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