SOLUTION: A person going to a party was asked to bring 3 different bags of chips. Going to the store, she finds 18 varieties. How many different selections can she make?

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Question 1169714: A person going to a party was asked to bring 3 different bags of chips. Going to the store, she finds 18 varieties.
How many different selections can she make?
Answer by ikleyn(52803) About Me  (Show Source):
You can put this solution on YOUR website!
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    3 different items can be selected from 18 items by  C%5B18%5D%5E3 = %2818%2A17%2A16%29%2F%281%2A2%2A3%29 = 816 different ways.

Solved.

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This question is about COMBINATIONS.

On Combinations,  see introductory lessons
    - Introduction to Combinations
    - PROOF of the formula on the number of Combinations
    - Problems on Combinations
    - OVERVIEW of lessons on Permutations and Combinations
in this site.

Also,  you have this free of charge online textbook in ALGEBRA-II in this site
    - ALGEBRA-II - YOUR ONLINE TEXTBOOK.

The referred lessons are the part of this online textbook under the topic  "Combinatorics: Combinations and permutations".


Save the link to this textbook together with its description

Free of charge online textbook in ALGEBRA-II
https://www.algebra.com/algebra/homework/complex/ALGEBRA-II-YOUR-ONLINE-TEXTBOOK.lesson

into your archive and use when it is needed.