[ Mathematics ] Open Question : Twenty-eight people in student council are running for the offices of president and vice-president. In how man?

Twenty-eight people in student council are running for the offices of president and vice-president. In how many different ways can those offices be assigned? (a) 55 (b) 378 (c) 756

Source: http://answers.yahoo.com/question/index?qid=20120617175836AA1Hm4T

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