document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=30091>Question 30091</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how much water must be evaporated from a 300 L tank of a 2% salt solution to obtain a 5% solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #16830 by </B><A HREF=/tutors/aboutme.mpl?userid=Paul><B>Paul(988)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Paul><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=16830\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let the solution be x<BR>\n" );
document.write( "2(300)=5(300-x)<BR>\n" );
document.write( "600=1500-5x<BR>\n" );
document.write( "-5x=-900<BR>\n" );
document.write( "x=180\r<BR>\n" );
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document.write( "<font color = green>Hence, about 180L of solution must be evaporated.</font><BR>\n" );
document.write( "PAul. </SPAN>\n" );
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