document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=497429>Question 497429</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how much water must be added to 300 litre of a solution so that its concentration may change from 25% to 20%<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 #336727 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=336727\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> how much water must be added to 300 litre of a solution so that its concentration may change from 25% to 20%<BR>\n" );
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document.write( "let x=litres of water which must be added<BR>\n" );
document.write( "25%*300=20%(300+x)<BR>\n" );
document.write( "75=60+.2x<BR>\n" );
document.write( ".2x=15<BR>\n" );
document.write( "x=75<BR>\n" );
document.write( "Ans:<BR>\n" );
document.write( "75 litres must be added to 300 litres of the 25% solution </SPAN>\n" );
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