document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=638841>Question 638841</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many gallons of a plant food that is 6% nitrogen must be combined with another plant food that is 30% nitrogen to make 10 gal of a plant food that is 12% nitrogen? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #402421 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=402421\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Do it like this one:<BR>\n" );
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document.write( "I need 150 gallons of 10% solution but all i have is 5% and 20% solution. How much of the 5% and 20% solution do i need in order ti create 150 gallons of 10% solution?<BR>\n" );
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document.write( "t = amount of 20%<BR>\n" );
document.write( "f = amount of 5%<BR>\n" );
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document.write( "t + f = 150<BR>\n" );
document.write( "20t + 5f = 10*150<BR>\n" );
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