SOLUTION: How many ways can a president and vice-president be selected in a class of twenty students?

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Question 271489: How many ways can a president and vice-president be selected in a class of twenty students?
Answer by Edwin McCravy(20054) About Me  (Show Source):
You can put this solution on YOUR website!
20 ways to choose the pres, and 19 ways to choose the veep.
That's 20*19=380 ways