document.write( "Question 1143467: 80 percent of the workers,working in a comping wear jeans.
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document.write( "of these 20 percent wear jeans that are black,what percent of yhe workers
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document.write( "wear jeans that are not black? \n" );
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Algebra.Com's Answer #764276 by ikleyn(52921) You can put this solution on YOUR website! . \n" ); document.write( " \r\n" ); document.write( "Let N be the number of ALL workers.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "The number of those who wear jeans is 0.8N, according to the condition.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "The number of those who wear black jeans is 0.2*(0.8*N) = (0.2*0.8)*N = 0.16*N\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "The number of those who wear jeans that are nor black is 0.8*N - 0.16*N = 0.64*N.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "The answer to the problem question is\r \n" ); document.write( "\n" ); document.write( "---------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "I gave you very detailed solution / explanation,\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "but reading the problem attentively (and having some experience in solving such problem), \n" ); document.write( "one can get the answer mentally and very quickly without any calculations.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |