Animemusicspectrum Animemusicspectrum 30-07-2022 Mathematics contestada There are 12 different cookies on a plate. Aiden will choose 3 of these cookies to pack in his lunch. How many different groups of cookies can he choose from 12? A) 220 B) 320 C) 420 D) 440 I know the correct answer is A) 220, but I am not sure why?