document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1084422>Question 1084422</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A 10L tank of salt water is composed of 20% salt and 80% water. How many litres of salt water should be removed, and replaced with salt, so that the salt water consists of 30% salt?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #698544 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</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=698544\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Remove  0.2x of salt and add or replace this with 1.0x of salt.  The first term is amount salt as the 20% solution.  The second term is pure undissolved salt.  \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%280.20%2A10-0.2x%2Bx%29%2F%2810-x%29=0.3 ALIGN=MIDDLE  ALT=\"%280.20%2A10-0.2x%2Bx%29%2F%2810-x%29=0.3\"   DISABLED_style= \"max-width:90%; height:auto;\" >-------------this is assuming no change of volume which could be the wrong assumption.  Densities may also be important for the problem's description. </SPAN>\n" );
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