document.write( "Question 960740: there are 5 girls and 5 boys in a tennis team. How many ways can one 'mixed doubles' pair be selected
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Algebra.Com's Answer #587127 by mathmate(429)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "Given: \n" ); document.write( "5 boys and 5 girls in tennis team \n" ); document.write( " \n" ); document.write( "Find: \n" ); document.write( "Number ways to select mixed doubles pairs \n" ); document.write( " \n" ); document.write( "Solution: \n" ); document.write( "Take any girl, there are 5 boys to choose from for the first pair. \n" ); document.write( "Then there are 4 boys to choose from fro the second pair, etc. \n" ); document.write( "There is a total of 5.4.3.2.1=120 possible ways to choose. \n" ); document.write( "Since we can choose any girl at any point, order is not important. \n" ); document.write( " \n" ); document.write( "Answer: \n" ); document.write( "There are 120 ways to form the mixed doubles pairs. \n" ); document.write( " |