document.write( "Question 1023309: An algebra class has 8 students and 8 desks. For the sake of variety, students change the seating arrangement each day. How many days must pass before the class must repeat a seating arrangement? \r
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Algebra.Com's Answer #639001 by Edwin McCravy(20056) $\"\"$ $\"About$

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An algebra class has 8 students and 8 desks. For the sake
\n" ); document.write( "of variety, students change the seating arrangement each day.
\n" ); document.write( "How many days must pass before the class must repeat a
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document.write( "8! = 40320\r\n" );
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\n" ); document.write( "Suppose the desks are arranged in rows of 4. How many seating
\n" ); document.write( "arrangements are there that put Larry, Moe, Curly, and Shemp
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document.write( "4! ways they can go in the front seats. For each of those \r\n" );
document.write( "ways, there are 4 ways that the other 4 can be placed in the \r\n" );
document.write( "back row. That's 4!*4! = 24*24 = 576 \r\n" );
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\n" ); document.write( "What is the probability that Larry, Moe, Curly and Shemp are
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document.write( "576 ways out of 40320 or \r\n" );
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document.write( "Edwin

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