document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=819020>Question 819020</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A chemist has 100 liters of 30% sodium chloride solution. She intends to drain a certain number of liters and replace with a more concentrated solution.\r<BR>\n" );
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document.write( "a) How much of this solution should she drain and replace with 80% sodium chloride if she wants a 55% sodium chloride solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #545117 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=545117\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 0.8*100-0.8x+0.3x=0.55(100)<BR>\n" );
document.write( "80+-0.5x=55<BR>\n" );
document.write( "-0.5x=55-80<BR>\n" );
document.write( "-0.5x=-25<BR>\n" );
document.write( "x=50<BR>\n" );
document.write( "check<BR>\n" );
document.write( "0.8*50+0.3*50=0.55(100)<BR>\n" );
document.write( "40+15=55<BR>\n" );
document.write( "55=55<BR>\n" );
document.write( "ok<BR>\n" );
document.write( " </SPAN>\n" );
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