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05-05-2016
Mathematics

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Given the following scenario, decide if it is a permutation or combination, and then calculate the possibilities. Papa John’s pizza has 17 different toppings to choose from. In how many ways can you make a three topping pizza?

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Edufirst Edufirst

13-05-2016

It is a combination because the order in which the toppings are used does not change the result.

The formula of combination is C 17,3 = 17!/(3!14!) = 17x16x15/(3x2) = 17x8x5 = 680 different ways.

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