document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=901719>Question 901719</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a farmer mixes wheat based feed (12% protein) with a corn based feed (7% protein) to make 610 pounds of a 10.5% protein feed. How many pounds of each type of feed does he use to make the mixture </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #546938 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=546938\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a+b=610,<BR>\n" );
document.write( "0.12*a+0.07*b=0.105*610<BR>\n" );
document.write( "a=610-b<BR>\n" );
document.write( "0.12*(610-b)+0.07*b=64.05<BR>\n" );
document.write( "73.2-0.12b+0.07*b=64.05<BR>\n" );
document.write( "-0.05*b=-9.15<BR>\n" );
document.write( "b=183.0<BR>\n" );
document.write( "a=610-b<BR>\n" );
document.write( "a=427.0 lb at 12% b=183.0 lb at 7%<BR>\n" );
document.write( "check<BR>\n" );
document.write( "0.12*427.0+0.07*183.0=0.105*610<BR>\n" );
document.write( "51.24+12.81=64.05<BR>\n" );
document.write( "64.05=64.05<BR>\n" );
document.write( "ok<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );