document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=168860>Question 168860</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/013133798x/algebrahomeworkh>prentice hall Algebra2 with trigonometry</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve this equation: \r<BR>\n" );
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document.write( "using a system of two equations:\r<BR>\n" );
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document.write( "Soybean is 16% protein and corn meal is 9% protein. How many pounds of each should be mixed toghther to get a 350-lb mixture that 12% protein? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #124527 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=124527\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> NOT FAMILIAR WITH A 2 EQUATION SYSTEM TO SOLVE THESE TYPES OF PROBLEMS. <BR>\n" );
document.write( "HERE'S THE STANDARD METHOD.<BR>\n" );
document.write( ".16X+.09(350-X)=.12*350<BR>\n" );
document.write( ".16X+31.5-.09X=42<BR>\n" );
document.write( ".07X=42-31.5<BR>\n" );
document.write( ".07X=10.5<BR>\n" );
document.write( "X=10.5/.07<BR>\n" );
document.write( "X=150 LB. OF SOYBEANS ARE USED.<BR>\n" );
document.write( "350-150=200 LB. OF CORN MEAL IS USED.<BR>\n" );
document.write( "PROOF:<BR>\n" );
document.write( ".16*150+.09*200=42<BR>\n" );
document.write( "24+18=42<BR>\n" );
document.write( "42=42 </SPAN>\n" );
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