document.write( "Question 945243:
\n" ); document.write( "How many committees of four can be formed from 20 Republicans and 15 Democrats if at least one Republican and at least one Democrat must be on the committee? \n" ); document.write( "

Algebra.Com's Answer #576700 by Edwin McCravy(20055) $\"\"$ $\"About$

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How many committees of four can be formed from 20 Republicans and 15 Democrats if
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document.write( "We find the number of committees of four which can be formed from the 35 people.\r\n" );
document.write( "Then we subtract the number of committees where all four are Republicans and where\r\n" );
document.write( "all four are Democrats:\r\n" );
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document.write( "35C4 - 20C4 - 15C4 = 52360 - 4845 - 1365 = 46150\r\n" );
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document.write( "Edwin

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