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October 20, 2014

October 20, 2014

Posted by **jackee** on Tuesday, May 17, 2011 at 1:50pm.

- math -
**MathMate**, Tuesday, May 17, 2011 at 2:06pmThe standard answer is 2*3*8=48 different combinations,assuming that customers always take one cheese and one topping, and of course, one crust.

The practical answer to the question would, however, take into account that customer can take 0 to 3 cheeses, 0 to 8 toppings, but only one crust.

For cheeses, the cardinality of the power set (all possibilities) is 2^3, namely:

none,

A,

B,

C,

A+B,

A+C,

B+C,

A+B+C.

The same goes for toppings, i.e. 2^8=256 combinations.

Therefore the number of pizza combinations is:

2 crusts*8 cheeses * 256 toppings

= 4096 combinations.

- math -
**Brendan**, Wednesday, September 26, 2012 at 10:43pmHow many combinations of hamburgers can you have with 12 toppings?

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