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To promote reading, a teacher decides to feature 3 classics, 4 contemporary novels and 2 non-fiction books
on a notice board. How many selections can she make from 5 classics, 6 contemporary novels and 4 non-fiction books?
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Write as you read
how many selections = .. = 10*15*6 = 900. ANSWER
Solved.
This problem combines your knowledge on Combinations and on Fundamental counting principle.
See the lessons
- Introduction to Combinations
- PROOF of the formula on the number of Combinations
- Problems on Combinations
- Fundamental counting principle problems
- 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.