document.write( "Question 1110068: Hello, I need help to solve the problem.
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document.write( "A school dance committee is made up of 3 freshman, 2 sophomores, 3 juniors, and 3 seniors.\r
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document.write( "How many ways are there to sit the committee in a row at a meeting if the students must sit together by grade? \r
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document.write( "How many ways are there to sit the committee in a row at a meeting if the freshman,sophomores, and juniors must sit by grade, but the seniors can sit wherever they want? \n" );
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Algebra.Com's Answer #725078 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Hello, I need help to solve the problem. \n" ); document.write( "A school dance committee is made up of 3 freshman, 2 sophomores, 3 juniors, and 3 seniors. \n" ); document.write( "How many ways are there to sit the committee in a row at a meeting if the students must sit together by grade? \n" ); document.write( "group arrangements:: 4! = 24 ways \n" ); document.write( "within group arrangements:: 3!*2!*3!*3! = 6*2*6*6 = 432 \n" ); document.write( "Ans: 24*432 = 10368 ways\r \n" ); document.write( "\n" ); document.write( "How many ways are there to sit the committee in a row at a meeting if the freshman,sophomores, and juniors must sit by grade, but the seniors can sit wherever they want? \n" ); document.write( "grade 3! = 6 \n" ); document.write( "group arrangements:: 3!*2!*3! = 6*2*6 = 72 \n" ); document.write( "seniors filling 7 in-between positions plus 2 end positions \n" ); document.write( "add 3!*10C3 = 6*120 \n" ); document.write( "Ans: 6*6*120 = 4320 \n" ); document.write( "--------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "------------- \n" ); document.write( " \n" ); document.write( " |