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Perfect Pizza has 15 toppings listed on their menu. How many ways could a customer choose a pizza that contains 3 different toppings?

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!).

1βˆ—2βˆ—3βˆ—4βˆ—5βˆ—6βˆ—6βˆ—8βˆ—9βˆ—10βˆ—11βˆ—12βˆ—13βˆ—14βˆ—15 over

(1βˆ—2βˆ—3)βˆ—(1βˆ—2βˆ—3βˆ—4βˆ—5βˆ—6βˆ—6βˆ—8βˆ—9βˆ—10βˆ—11βˆ—12) =

13βˆ—14βˆ—15 over

(1βˆ—2βˆ—3)

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: