document.write( "Question 497967: soybean meal is 16% protein and corn meal is 9% protein. How many pounds of each should be mixed together to get a 350-lb mixture that is 12% protein? \n" ); document.write( "
Algebra.Com's Answer #336872 by jorel1380(3719)\"\" \"About 
You can put this solution on YOUR website!
350x.12=42
\n" ); document.write( "m+n=350
\n" ); document.write( ".16m+.09n=42
\n" ); document.write( "16m+9n=4200
\n" ); document.write( "9m+9n=3150
\n" ); document.write( "7m=1050
\n" ); document.write( "m=150
\n" ); document.write( "You need 150 lbs. of soybean meal and 200 lbs. of corn meal for your mix..
\n" ); document.write( "
\n" );