document.write( "Question 207868: Soybean meal is 16% protein, cornmeal is 8% protein
\n" ); document.write( "How many pounds if each should be mixed together in order to get 320 lb mixture that is 15% protein.
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Algebra.Com's Answer #157232 by rfer(16322)\"\" \"About 
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soybeans =x=280 lbs
\n" ); document.write( "cornmeal=320-x=40 lbs
\n" ); document.write( ".16x+.08(320-x)=3320(.15)
\n" ); document.write( ".16x+25.6-.08x=48
\n" ); document.write( ".08x=22.4
\n" ); document.write( "x=280
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