Liberal Arts Math
posted by Jeannie on .
How many different groups of 7 students can you create from a class of 20 students?
How many different results could there be for 10 political candidates running for the same office in the upcoming election?

number different? 20!/7!13!
There can only be 10 different results, only one person can win 
There can only be 10 different results, only one person can win.
how would i set this up?