Answer:
There are 220 possible ways
Explanation:
12!/3!(12-3)!
12!/3!•9!
12•11•10•9! / 3!•9! *now you can cancel both 9!
12•11•10 / 3!
12•11•10 / 3•2•1
1320/6
220
7.2m questions
9.5m answers