TMSCA 11 #21
Posted: Sat Feb 27, 2010 9:43 pm
Joe's Pizzeria offers 9 varieties of pizza during their lunch buffet. How many ways could Mary select 4 slices of pizza?
a) 126 b) 495 c) 729 d) 80 e) 3024
The answer is b, but I can't seem to figure out how or why. Any help would be appreciated.
a) 126 b) 495 c) 729 d) 80 e) 3024
The answer is b, but I can't seem to figure out how or why. Any help would be appreciated.