document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=518029>Question 518029</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How much water must be added to 300 L of a solution so that its concentration may change from 25% to 20%? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #345021 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=345021\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> from the point of view of the water<BR>\n" );
document.write( ".75*300+x=.80*(300+x)<BR>\n" );
document.write( "x=75<BR>\n" );
document.write( "add 75 liters of water\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );