document.write( "Question 844042: How many ways:
\n" ); document.write( "1- 20 students can sit in a class of 30 chairs.
\n" ); document.write( "2- 20 students should sit on 30 chairs in a row.
\n" ); document.write( "3- 20 students should sit around a table of 20 chairs. \n" ); document.write( "

Algebra.Com's Answer #508529 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi,
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document.write( "How many ways:
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document.write( "1-  20 students can sit in a class of 30 chairs.  30C20
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document.write( "2-  20 students should sit on 30 chairs in a row. (30C10)20!
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document.write( "3-  20 students should sit around a table of 20 chairs. 19! \n" );
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