document.write( "Question 152160: Soybean meal is 16% protein; cormeal is 8% protein. How many pounds of each should be mixed together in order to get 320-lb mixture that is 15% protein?\r
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Algebra.Com's Answer #111835 by scott8148(6628)\"\" \"About 
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let x=\"pounds of soy meal\", so 320-x=\"pounds of corn meal\"\r
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\n" ); document.write( "\n" ); document.write( "(16%)(x)+(8%)(320-x)=(15%)(320) __ .16x+25.6-.08x=48\r
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\n" ); document.write( "\n" ); document.write( "subtracting 25.6 __ .08x=22.4 __ dividing by .08 __ x=280\r
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\n" ); document.write( "\n" ); document.write( "320-x=40
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