If Diane can select from a list of 55 CDs, how many groups of 6 different CDs are possible?

William B2010-04-19T21:18:40Z

Favorite Answer

55x54x53x52x51x50 / 6x5x4x3x2x1 =28989675
C(55,6)

Blue_eyed_Angel2010-04-20T04:15:52Z

55 divided by six is 9, with one left over.