document.write( "Question 968562: A team of 4 students is to be selected for a competition. There are 8 boys and 12 girls to choose from. If the team is to include atleast 1 girl and 1 boy, how many ways can a team be selected?
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Algebra.Com's Answer #592556 by Edwin McCravy(20055) $\"\"$ $\"About$

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document.write( "First we find the number of teams of 4 students without regard to gender.\r\n" );
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document.write( "20 students Choose 4 = 20C4 = \r\n" );
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document.write( "Then we find the number of teams with all 4 boys to subtract from that number.\r\n" );
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document.write( "8 boys Choose 4 = 8C4 = \r\n" );
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document.write( "And we find the number of teams with all 4 girls to subtract from that number,\r\n" );
document.write( "too.\r\n" );
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document.write( "12 girls Choose 4 = 12C4 = \r\n" );
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document.write( "Answer: 4845 - 70 - 495 = 4280.\r\n" );
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document.write( "Edwin

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