document.write( "Question 1209389: In a local high school, from a group of 18 students comprised of 10 singers and 8 actors, a 5-person executive council is selected. Find how many committees are possible that have at most 2 singers. \r
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document.write( "I used (10C2)(8C3)=2520 to account for the case in which there is 2 singers and 3 actors \r
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document.write( "Than I used (8C4)(10C1)=700 to account for the case in which there is 1 singer and 4 actors \r
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document.write( "Then I used just 8C5=56 to account for the case in which there is 5 actors\r
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document.write( "Then I added them all together 2520+700+56=3276 which gives me 3276 total combinations
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Algebra.Com's Answer #848738 by ikleyn(52781)![]() ![]() You can put this solution on YOUR website! .\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "In your solution, everything is correct.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "My congratulations - a perfect job !\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |