mik1126 mik1126
  • 01-07-2017
  • Mathematics
contestada

A local pizzeria offers 15 toppings for their pizzas and you can choose any 3 of them for one fixed price. How many different types of pizzas can you order with 3 toppings?

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konrad509
konrad509 konrad509
  • 20-08-2018

[tex] C(15,3)=\dfrac{15!}{3!12!}=\dfrac{13\cdot14\cdot15}{2\cdot3}=455 [/tex]

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