document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=247534>Question 247534</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a chemist has 40 ml of a solution that is 50% chlorine. How much water should he add to make a solution that is 10% chlorine? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #180569 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=180569\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .5*40=.10(40+x)<BR>\n" );
document.write( "20=4+.10x<BR>\n" );
document.write( ".10x=20-4<BR>\n" );
document.write( ".10x=16<BR>\n" );
document.write( "x=16/.10<BR>\n" );
document.write( "x=160 ml of water is used.<BR>\n" );
document.write( "Proof.<BR>\n" );
document.write( ".5*40=.10(40+160)<BR>\n" );
document.write( "20=.10*200<BR>\n" );
document.write( "20=20 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );