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April 18, 2015

April 18, 2015

Posted by **Brittany** on Monday, February 6, 2012 at 10:52pm.

- algebra -
**Reiny**, Monday, February 6, 2012 at 11:17pmThis becomes a question of subsets

The number of subsets of 18 elements is 2^18 or 262144

that would include the null set, in this case no toppings

So the number of different topping combinations would be

262143

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