document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=877874>Question 877874</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many liters of pure acid should a chemist mix with 4 liters of a 10% acid solution to produce a solution that is 80% acid? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #529595 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=529595\">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;\" > = liters of pure acid needed<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.1%2A4+=+.4+ ALIGN=MIDDLE  ALT=\"+.1%2A4+=+.4+\"   DISABLED_style= \"max-width:90%; height:auto;\" > liters of acid in 10% solution<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+a+%2B+.4+%29+%2F+%28+a+%2B+4+%29++=+.8+ ALIGN=MIDDLE  ALT=\"+%28+a+%2B+.4+%29+%2F+%28+a+%2B+4+%29++=+.8+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a+%2B+.4+=+.8%2A%28+a+%2B+4+%29+ ALIGN=MIDDLE  ALT=\"+a+%2B+.4+=+.8%2A%28+a+%2B+4+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a+%2B+.4+=+.8a+%2B+3.2+ ALIGN=MIDDLE  ALT=\"+a+%2B+.4+=+.8a+%2B+3.2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.2a+=+2.8+ ALIGN=MIDDLE  ALT=\"+.2a+=+2.8+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a+=+14+ ALIGN=MIDDLE  ALT=\"+a+=+14+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "14 liters of pure acid should be added<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "check:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+a+%2B+.4+%29+%2F+%28+a+%2B+4+%29++=+.8+ ALIGN=MIDDLE  ALT=\"+%28+a+%2B+.4+%29+%2F+%28+a+%2B+4+%29++=+.8+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+14+%2B+.4+%29+%2F+%28+14+%2B+4+%29++=+.8+ ALIGN=MIDDLE  ALT=\"+%28+14+%2B+.4+%29+%2F+%28+14+%2B+4+%29++=+.8+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+14.4+%2F+18+=+.8+ ALIGN=MIDDLE  ALT=\"+14.4+%2F+18+=+.8+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+14.4+=+.8%2A18+ ALIGN=MIDDLE  ALT=\"+14.4+=+.8%2A18+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+14.4+=+14.4+ ALIGN=MIDDLE  ALT=\"+14.4+=+14.4+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );