Answer :
Answer:
The answer is 455 ways.
Step-by-step explanation:
If adding only twelve, you must leave out three of the fifteen, and the number of ways is = 15! / (3! * 12!).
1β2β3β4β5β6β6β8β9β10β11β12β13β14β15 over
(1β2β3)β(1β2β3β4β5β6β6β8β9β10β11β12) =
13β14β15 over
(1β2β3)
27306 = 455
Answer: If all toppings are distinct, then you have C 4 15 combinations. If there are three distinct toppings, you have 3 β C 3 15 combinations (because we have C 3 15 choices for toppings and then 3 choices for which of those three toppings is doubled).
Step-by-step explanation: