document.write( "Question 1175089: Suppose there is a class of 20 students and elections are being made for class president and vice president. How
\n" ); document.write( "many different ways could the candidates be picked? \n" ); document.write( "
Algebra.Com's Answer #800623 by ikleyn(52777)\"\" \"About 
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document.write( "    20*19  = 380 ways.\r\n" );
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document.write( "20 ways for the president position,\r\n" );
document.write( "and 19 ways for the vice-president.\r\n" );
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document.write( "and the product of these numbers for the total number of permutations.\r\n" );
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document.write( "The order is important in this problem, so we use PERMUTATIONS.\r\n" );
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\n" ); document.write( "\n" ); document.write( "On Permutations,  see introductory lessons \r
\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
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\n" ); document.write( "\n" ); document.write( "    - Special type permutations problems \r
\n" ); document.write( "\n" ); document.write( "    - Problems on Permutations with restrictions \r
\n" ); document.write( "\n" ); document.write( "    - OVERVIEW of lessons on Permutations and Combinations\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
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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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