document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=990877>Question 990877</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many litres of water must be added to 10 litres of 30% alcohol in order to produce 50litres of 10% alcohol? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #610851 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=610851\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How many litres of water must be added to 10 litres of 30% alcohol in order to produce 50litres of 10% alcohol?<BR>\n" );
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document.write( "You add 40 liters to get 50 liters.<BR>\n" );
document.write( "10*30 + 40*0 = 50C<BR>\n" );
document.write( "Concentration = 6% tho.<BR>\n" );
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document.write( "To get 10% :<BR>\n" );
document.write( "10*30 + L*0 = (10+L)*10<BR>\n" );
document.write( "300 = 10L + 100<BR>\n" );
document.write( "L = 20<BR>\n" );
document.write( "--> 30 liters of 10%<BR>\n" );
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