document.write( "Question 1149499: How many ways can a class president, vice-president, and secretary be selected from each of the seventh grade and eighth grade to form a six member junior high student council? The seventh grade has 80 members, and the eighth grade has 60 members.
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Algebra.Com's Answer #770837 by josmiceli(19441)![]() ![]() You can put this solution on YOUR website! You need P( 80,3 ) and P( 60,3 ) to get all \n" ); document.write( "the possible choices for the 3 offices \n" ); document.write( "-------------------------------------------- \n" ); document.write( "Then you need P( 80,3 ) x P( 60,3 ) to get \n" ); document.write( "all the ways to combine the 7th and 8th \n" ); document.write( "grade choices for the 3 offices \n" ); document.write( "-------------------------------------------- \n" ); document.write( "P( 80,3 ) = \n" ); document.write( "P( 80,3 ) = \n" ); document.write( "P( 80,3 ) = \n" ); document.write( "and \n" ); document.write( "P( 60,3 ) = \n" ); document.write( "P( 60,3 ) = \n" ); document.write( "-------------------------------------------- \n" ); document.write( "P( 80,3 ) x P( 60,3 ) = \n" ); document.write( "P( 80,3 ) x P( 60,3 ) = \n" ); document.write( "101,214,547,200 possible ways \n" ); document.write( "---------------------------------- \n" ); document.write( "Definitely get a 2nd opinion on this \n" ); document.write( "( Unless you know what the answer should be ) \n" ); document.write( " \n" ); document.write( " |