document.write( "Question 140508: Soybean meal is 12% protein; cornmeal is 6% protein. How many pounds of each should be mixed together in order to get 240-lb mixture that is 7% protein? \n" ); document.write( "
Algebra.Com's Answer #102294 by stanbon(75887)\"\" \"About 
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Soybean meal is 12% protein; cornmeal is 6% protein. How many pounds of each should be mixed together in order to get 240-lb mixture that is 7% protein?
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\n" ); document.write( "Let amt. of soy meal be \"x\" lbs. Amt. of protein is 0.12x lbs.
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\n" ); document.write( "Amt of corn meal is \"240-x\" lbs. Amt of protein is 0.06(240-x) = 14.4-0.6x lbs
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\n" ); document.write( "Amt of mixture is 240 lbs; Amt of protein is 0.07*240 = 16.8 lbs.
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\n" ); document.write( "EQUATION:
\n" ); document.write( "protein + protein = protein
\n" ); document.write( "0.12x + 14.4-0.06x = 16.8
\n" ); document.write( "0.06x = 2.4
\n" ); document.write( "x = 40 lbs. (amount of soy meal in the mixture)
\n" ); document.write( "240-x = 200 lbs (amount of corn mean in the mixture)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H. \n" ); document.write( "
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