document.write( "Question 1168540: In how many ways can a doubles game of tennis be arranged from ten boys and twelve girls if each side must have one boy and one girl? \n" ); document.write( "

Algebra.Com's Answer #793120 by ikleyn(52782) $\"\"$ $\"About$

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document.write( "The first team (boy,girl) can be arranged in 10*12 = 120 ways.\r\n" );
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document.write( "After that, the second team (boy,girl) can be arranged in 9*11 = 99 ways.\r\n" );
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document.write( "Such teams can be combined in   = 60*99 = 5940 different ways for a game.    ANSWER\r\n" );
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\n" ); document.write( "\n" ); document.write( "This problem was just posted and solved at this forum approximately a week ago under this link\r
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