The local pizzeria is advertising a special where you can get a large pizza with up to 3 different toppings for only $10. If the pizzeria offers 11 different toppings, how many different types of pizza can you get in this special deal?
2 answers
C(11,3) = 11*10*9/6
C(11,0) + C(11,1) + C(11,2) + C(11,3)
the problem says "up to 3"
the problem says "up to 3"
1 answer