document.write( "Question 199852: Please help me solve the following problem:\r
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document.write( "in a certain company, 30 percent of men and 20 percent of women attend night school. If 40 percent of all employees are men, what % of ALL employees attend night school?
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Algebra.Com's Answer #150233 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! in a certain company, 30 percent of men and 20 percent of women attend night school. \n" ); document.write( "If 40 percent of all employees are men, what % of ALL employees attend night school? \n" ); document.write( ": \n" ); document.write( "Let t = total no. of employees \n" ); document.write( "then \n" ); document.write( ".4t = men \n" ); document.write( "and \n" ); document.write( ".6t = women \n" ); document.write( ": \n" ); document.write( "Let x = per cent of all employees \n" ); document.write( ": \n" ); document.write( "% men + % women = % total go to night school \n" ); document.write( ".3(.4t) + .2(.6t) = xt \n" ); document.write( ": \n" ); document.write( ".12t + .12t = xt \n" ); document.write( ": \n" ); document.write( ".24t = xt \n" ); document.write( "Divide equation by t \n" ); document.write( ".24 = x \n" ); document.write( ": \n" ); document.write( "24% go to night school\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |