document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=917662>Question 917662</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I want to make a mixture of feed that is 16% protein.  I need a total of 2000 pounds, so I'm after 320# of protein.\r<BR>\n" );
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document.write( "I can mix soybean which is 48.5% and milo which is 9%.  I'm not sure how to figure out the answer. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #556749 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=556749\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> We need a total of 2000 lb. at 16%<BR>\n" );
document.write( "We want to know how many lb. at 48.5% to mix with 9%<BR>\n" );
document.write( "a+b=2000,<BR>\n" );
document.write( "0.485*a+0.09*b=0.16*2000<BR>\n" );
document.write( "a=2000-b<BR>\n" );
document.write( "0.485*(2000-b)+0.09*b=320<BR>\n" );
document.write( "970.0-0.485b+0.09*b=320<BR>\n" );
document.write( "-0.395*b=-650.0<BR>\n" );
document.write( "b=1645.56962<BR>\n" );
document.write( "a=2000-b<BR>\n" );
document.write( "a=354.43038 lb. at 48.5%<BR>\n" );
document.write( "b=1645.56962 lb. at 9%<BR>\n" );
document.write( "check<BR>\n" );
document.write( "0.485*354.43038+0.09*1645.56962=0.16*2000<BR>\n" );
document.write( "171.898734+148.101266=320<BR>\n" );
document.write( "320.0=320<BR>\n" );
document.write( "ok<BR>\n" );
document.write( "codemx1<BR>\n" );
document.write( " </SPAN>\n" );
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