document.write( "Question 1179508: \"There are 12 food items on a dinner table. Suppose a person is allowed to get only 8 food items. How many ways can the person choose?\"\r
\n" ); document.write( "\n" ); document.write( "I am kind of confused if this is a permutation or a combination problem - my first answer is in combination: 12C8 = 495. But I am not sure if this is correct.\r
\n" ); document.write( "\n" ); document.write( "It would mean a lot if someone could correct me or confirm this, I have trouble determining if a problem is in permutation or combination. Thank you!
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Algebra.Com's Answer #809063 by ikleyn(52781)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "The rule and the way to distinct between permutations and combinations is  THIS:\r
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\n" ); document.write( "\n" ); document.write( "        - if the order in selections  DOES  matter,  then the selections are  PERMUTATIONS.\r
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\n" ); document.write( "\n" ); document.write( "        - if the order in selections  DOES  NOT  matter,  then the selections are  COMBINATIONS.\r
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\n" ); document.write( "\n" ); document.write( "Regarding this problem,  is something in the text or in the context,  that makes the order important ?\r
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\n" ); document.write( "\n" ); document.write( "I do not see any signs of it  NEITHER  in the text,  NOR  in the context.\r
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\n" ); document.write( "\n" ); document.write( "So,  I conclude that the problem is about  COMBINATIONS.\r
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\n" ); document.write( "\n" ); document.write( "On permutations and combinations,  see introductory lessons\r
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\n" ); document.write( "\n" ); document.write( "    - Introduction to Permutations\r
\n" ); document.write( "\n" ); document.write( "    - PROOF of the formula on the number of Permutations\r
\n" ); document.write( "\n" ); document.write( "    - Simple and simplest problems on permutations\r
\n" ); document.write( "\n" ); document.write( "    - Special type permutations problems \r
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\n" ); document.write( "\n" ); document.write( "    - Introduction to Combinations\r
\n" ); document.write( "\n" ); document.write( "    - PROOF of the formula on the number of Combinations\r
\n" ); document.write( "\n" ); document.write( "    - Problems on Combinations\r
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\n" ); document.write( "\n" ); document.write( "in this site. \r
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\n" ); document.write( "\n" ); document.write( "Also,  you have this free of charge online textbook in ALGEBRA-II in this site\r
\n" ); document.write( "\n" ); document.write( "    - ALGEBRA-II - YOUR ONLINE TEXTBOOK.\r
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\n" ); document.write( "\n" ); document.write( "The referred lessons are the part of this online textbook under the topic  \"Combinatorics: Combinations and permutations\". \r
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\n" ); document.write( "\n" ); document.write( "Save the link to this textbook together with its description\r
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\n" ); document.write( "\n" ); document.write( "Free of charge online textbook in ALGEBRA-II
\n" ); document.write( "https://www.algebra.com/algebra/homework/complex/ALGEBRA-II-YOUR-ONLINE-TEXTBOOK.lesson\r
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\n" ); document.write( "\n" ); document.write( "into your archive and use when it is needed.\r
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