document.write( "Question 210054: Soybean meal is 12% protein, cornmeal is 6% proteins. how many pounds of each should be mixed together in order to get 240lb mixture that is 9% proteins.
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document.write( "How many pounds of cornmeal?
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document.write( "How many pounds of soybean? \n" );
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Algebra.Com's Answer #159129 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Soybean meal is 12% protein, cornmeal is 6% proteins. \n" ); document.write( "how many pounds of each should be mixed together in order to get 240lb mixture that is 9% proteins. \n" ); document.write( ": \n" ); document.write( "let x = amt of Soy Meal \n" ); document.write( "A 240 lb mixture, therefore: \n" ); document.write( "(240-x) = amt of cornmeal \n" ); document.write( ": \n" ); document.write( ".12x + .06(240-x) = .09(240) \n" ); document.write( ": \n" ); document.write( ".12x + .14.4 - .06x = 21.6 \n" ); document.write( ": \n" ); document.write( ".12x - .06x = 21.6 - 14.4 \n" ); document.write( ": \n" ); document.write( ".06x = 7.2 \n" ); document.write( "x = \n" ); document.write( "x = 120 lb of soy meal \n" ); document.write( "then \n" ); document.write( "240 - 120 = 120 lb of corn meal \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "How many pounds of cornmeal? 120 lb \n" ); document.write( "How many pounds of soybean? 120 lb \n" ); document.write( " |