document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=69171>Question 69171</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How much water must be added to 100ml of 50 % acid/water solution to obtain a 30% solution. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #49283 by </B><A HREF=/tutors/aboutme.mpl?userid=Nate><B>Nate(3500)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Nate><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=49283\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x amount of 0% acid (pure H2O)<BR>\n" );
document.write( "(100(50%) + x(0%))/(100 + x) = 30%<BR>\n" );
document.write( "100(0.5) + 0 = 0.3(100 + x)<BR>\n" );
document.write( "50 = 30 + 0.3x<BR>\n" );
document.write( "20 = 0.3x<BR>\n" );
document.write( "200/3 = 66.6666ml = x </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );