document.write( "Question 1069877: please help me solve this A school dance committee is made up of 2 freshman, 2 sophomores, 2 juniors, and 3 seniors.
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Algebra.Com's Answer #685403 by Edwin McCravy(20055)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "I will assume you mean that all freshmen must sit left of all\r\n" );
document.write( "sophomores and that all sophomores must sit left of all juniors.\r\n" );
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document.write( "[If this is not what you meant then multiply the answer by 3!] \r\n" );
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document.write( "There are 10 chairs in a row. \r\n" );
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document.write( "The seniors sit down wherever they please in 10P3 = 10*9*8 = 720 ways.\r\n" );
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document.write( "There remain 7 seats.  \r\n" );
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document.write( "The 2 freshmen then sit down in the leftmost two vacant chairs in 2!=2 ways.\r\n" );
document.write( "The 2 sophomores then sit down in the leftmost two still vacant chairs in\r\n" );
document.write( "2!=2 ways.  The juniors sit down in the two vacant chairs in 2!=2 ways.\r\n" );
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document.write( "Answer: (720)(2)(2)(2) = 5760 ways  \r\n" );
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document.write( "Edwin
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