Posted by **Rmz** on Friday, October 23, 2009 at 4:13pm.

You are odering some frozen yogurt for dessert and have a choice of three toppings. You can get a combination of any or all the toppings. What are your possible choices? how do these choices relate to finding all the possible subsets of a set?

- Math 156 -
**Reiny**, Friday, October 23, 2009 at 5:59pm
suppose your toppings are A,B, and C

could have

-no toppings, (null set)

-A

-B

-C

-AB

-AC

-BC

-ABC

A set of 3 elements has 8 subsets

So what you are doing in the above question is finding all possible subsets of the 3 toppings

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