document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=356356>Question 356356</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A farmer needs 120 gallons of 16% nitrogen fertilizer. He only has 12% and 22% nitrogen fertilizers to work with. How much of the 12% and 22% are needed in order to complete 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 #254403 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=254403\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A ALIGN=MIDDLE  ALT=\"A\"   DISABLED_style= \"max-width:90%; height:auto;\" > be the amount of 12% solution, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=B ALIGN=MIDDLE  ALT=\"B\"   DISABLED_style= \"max-width:90%; height:auto;\" > the amount of 22% solution.<BR>\n" );
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document.write( "Total volume equation:<BR>\n" );
document.write( "1.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A%2BB=120 ALIGN=MIDDLE  ALT=\"A%2BB=120\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Concentration equation:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12A%2B22B=16%28120%29 ALIGN=MIDDLE  ALT=\"12A%2B22B=16%28120%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "2.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6A%2B11B=960 ALIGN=MIDDLE  ALT=\"6A%2B11B=960\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Multiply eq. 1 by (-6) and add to eq. 2 to eliminate A and solve for B.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-6A-6B%2B6A%2B11B=-720%2B960 ALIGN=MIDDLE  ALT=\"-6A-6B%2B6A%2B11B=-720%2B960\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5B=240 ALIGN=MIDDLE  ALT=\"5B=240\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28B=48%29 ALIGN=MIDDLE  ALT=\"highlight%28B=48%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >gallons<BR>\n" );
document.write( "Then from eq. 1,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A%2B48=120 ALIGN=MIDDLE  ALT=\"A%2B48=120\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28A=72%29 ALIGN=MIDDLE  ALT=\"highlight%28A=72%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >gallons </SPAN>\n" );
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