document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=900947>Question 900947</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how much pure acid should be mixed with 2 gallons of a 40% acid solution in order to get a 70% acid solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #546325 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=546325\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Two gallons of 40% acid,<BR>\n" );
document.write( "You must include the density of the acid solutions.  IFF the concentrations are as volume per volume, then the density is not really necessary; but then the answer to the question must be in GALLONS of the pure acid.  \r<BR>\n" );
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document.write( "ONLY if you have all concentrations as volume per volume, then:<BR>\n" );
document.write( "Let Q be the VOLUME of pure acid to add.<BR>\n" );
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