document.write( "Question 206391: Soybean meal is 14% protein: cornmeal is 7% protein. How many pounds of each should be mixed together in order to get 280 lbs mixture that is 8% protein? \n" ); document.write( "
Algebra.Com's Answer #155961 by rfer(16322)\"\" \"About 
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x=soybean=40 lbs
\n" ); document.write( "280-x=cornmeal=240 lbs
\n" ); document.write( "----------------
\n" ); document.write( ".14x+.07(280-x)=.08*280
\n" ); document.write( ".14x+19.6-.07x=22.4
\n" ); document.write( ".07x=2.8
\n" ); document.write( "x=40
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