document.write( "Question 1145876: A chair and a co-chair are to be chosen from a group consisting of 31 people. How many different choices of officers are possible if A and B will not serve together? \n" ); document.write( "

Algebra.Com's Answer #767140 by ikleyn(52781) $\"\"$ $\"About$

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document.write( "31 choice options for the first position, and\r\n" );
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document.write( "30 remaining choice options for the second position.\r\n" );
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document.write( "The order is important, so these items are PERMUTATIONS.\r\n" );
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document.write( "The answer is 31*30 = 930 different choices.\r\n" );
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