document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=487730>Question 487730</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 28.<BR>\n" );
document.write( "Livestock feed. Soybean meal is 16% protein and corn meal is 9% protein. How many pounds of each should be mixed to get a 350-lb mixture that is 12% protein?\r<BR>\n" );
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document.write( " Hope someone can help me with this, thanks. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #333114 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=333114\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Livestock feed. Soybean meal is 16% protein and corn meal is 9% protein. How many pounds of each should be mixed to get a 350-lb mixture that is 12% protein? <BR>\n" );
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document.write( "Let x = amount (lbs) of 16% <BR>\n" );
document.write( "then<BR>\n" );
document.write( "350-x = amount (lbs) of 9%<BR>\n" );
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document.write( ".16x + .09(350-x) = .12(350)<BR>\n" );
document.write( ".16x + 31.5-.09x = 42<BR>\n" );
document.write( ".07x + 31.5 = 42<BR>\n" );
document.write( ".07x = 10.5<BR>\n" );
document.write( "x = 150 lbs (of 16% protein)<BR>\n" );
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document.write( "9% protein:<BR>\n" );
document.write( "350-x = 350-150 = 200 lbs </SPAN>\n" );
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