document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=406177>Question 406177</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A nurse wants to add water to 30 ounces of a 10% solution of benzalkonium chloride to dilute it to an 8% solution. How much water should she add?  (hint: water is 0%benzalkonium  chloride. ) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #286746 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=286746\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A nurse wants to add water to 30 ounces of a 10% solution of benzalkonium <BR>\n" );
document.write( "chloride to dilute it to an 8% solution.<BR>\n" );
document.write( " How much water should she add? <BR>\n" );
document.write( ":<BR>\n" );
document.write( "Let w = amt of water required to dilute to 8%<BR>\n" );
document.write( ".10(30) = .08(w+30)<BR>\n" );
document.write( "3 = .08w + 2.4<BR>\n" );
document.write( "3 - 2.4 = .08w<BR>\n" );
document.write( ".6 = .08w<BR>\n" );
document.write( "w = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.6%2F.08 ALIGN=MIDDLE  ALT=\".6%2F.08\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "w = 7.5 oz of water required<BR>\n" );
document.write( ":<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Check this<BR>\n" );
document.write( ".10(30) = .08(7.5+30)<BR>\n" );
document.write( "3 = .08(37.5)<BR>\n" );
document.write( "3 = 3 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );