document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=308871>Question 308871</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A chemist has a 500ml solution that is 50 percent water. He wants the solution to become 90 percent water. How many ml of water should he add to the solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #220879 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=220879\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> view point of water<BR>\n" );
document.write( "500*.5+x=.9(x+500)<BR>\n" );
document.write( "x=2000\r<BR>\n" );
document.write( "\n" );
document.write( "viewpoint of non water<BR>\n" );
document.write( ".5*500=.1(x+500)<BR>\n" );
document.write( "250=.1x+50<BR>\n" );
document.write( "200=.1x<BR>\n" );
document.write( "2000=x<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );