# How do you calculate combinations of things?

##### 1 Answer

Oct 31, 2014

Combinations of items are basically subsets of the items, so the number of combinations is the number of subsets of items.

Let

**Example**

Find the number of ways to choose 3 cookies out of 6 distinct cookies.

Hence, there are 20 ways to choose 3 cookies from 6 cookies.

I hope that this was helpful.