document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=942918>Question 942918</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If I had 20,000L of 28% HCL how much water would I need to dilute it to 15% HCL </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #574859 by </B><A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><B>TimothyLamb(4379)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><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=TimothyLamb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=574859\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x = liters of 28% HCL/water = liters of (100-28)% water/HCL<BR>\n" );
document.write( "y = liters of pure water<BR>\n" );
document.write( "z = liters of 15% HCL/water = liters of (100-15)% water/HCL<BR>\n" );
document.write( "---<BR>\n" );
document.write( "x = liters of 28% HCL/water = liters of 72% water/HCL<BR>\n" );
document.write( "y = liters of pure water<BR>\n" );
document.write( "z = liters of 15% HCL/water = liters of 85% water/HCL<BR>\n" );
document.write( "---<BR>\n" );
document.write( "x = 20000<BR>\n" );
document.write( "0.72x + 1.00*y = 0.85(x + y)<BR>\n" );
document.write( "0.72*20000 + 1.00*y = 0.85(20000 + y)<BR>\n" );
document.write( "0.72*20000 + y = 0.85*20000 + 0.85*y<BR>\n" );
document.write( "y - 0.85*y = 0.85*20000 - 0.72*20000<BR>\n" );
document.write( "(1 - 0.85)*y = 0.85*20000 - 0.72*20000<BR>\n" );
document.write( "0.15y = 0.85*20000 - 0.72*20000<BR>\n" );
document.write( "y = (0.85*20000 - 0.72*20000)/0.15<BR>\n" );
document.write( "(0.85*20000 - 0.72*20000)/0.15<BR>\n" );
document.write( "---<BR>\n" );
document.write( "copy and paste the above expression in to this calculator:<BR>\n" );
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document.write( "---<BR>\n" );
document.write( "y = 17333.3333333<BR>\n" );
document.write( "y = liters of pure water = 17333.3<BR>\n" );
document.write( "---<BR>\n" );
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document.write( "--- </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );