document.write( "Question 301854: Soybean meal is 18% protein and cornmeal is 9% protein. How many pounds of each mixture should be mixed together in order to get 360lb mixture that is 16% protein. \n" ); document.write( "
Algebra.Com's Answer #216469 by helpnalgebra(91)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( ".18X+.09(360-X)=.16*360
\n" ); document.write( ".18X+32.4-.09X=57.6
\n" ); document.write( ".09X=57.6-32.4
\n" ); document.write( ".09X=25.2
\n" ); document.write( "X=25.2/.09
\n" ); document.write( "X=280 LBS. OF SOYBEANS ARE USED.
\n" ); document.write( "360-280=80 LBS. OF CORNMEAL ARE USED.
\n" ); document.write( "PROOF:
\n" ); document.write( ".18*280+.09*80=57.6
\n" ); document.write( "50.4+7.2==57.6
\n" ); document.write( "57.6=57.6
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