document.write( "Question 114012: soybean meal is 18% protein; cornmeal is 9% protein. How many pounds of each should be mixed together in order to get 360lbs mixture that is 17% protein?\r
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document.write( "How many pounds of the cornmeal should be in the mixture?\r
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document.write( "How many pounds of the soymeal should be in the mixture? \n" );
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Algebra.Com's Answer #83032 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! .18x+.09(360-x)=.17*360 \n" ); document.write( ".18x+32.4-.09x=61.2 \n" ); document.write( ".18x-.09x=61.2-32.4 \n" ); document.write( ".09x=28.8 \n" ); document.write( "x=28.8/.09 \n" ); document.write( "x=320 pounds of soybean meal is needed. \n" ); document.write( "360-320=40 pounds of cornmeal is needed. \n" ); document.write( "proof \n" ); document.write( ".18*320+.09*40=61.2 \n" ); document.write( "57.6+3.6=61.2 \n" ); document.write( "61.2=61.2 \n" ); document.write( " \n" ); document.write( " |