Answer:
Step-by-step explanation:
Just did it on Acellus. " 220 " is the answer
12/3(12-3)
12/3•9
12•11•10•9 / 3•9 *now you cancel both 9's*
12•11•10 / 3
12•11•10 / 3•2•1
1320/6
220
