document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=689823>Question 689823</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many liters of a 60% acid solution must be added to 10 liters of 20% acid solution to make a make 50% acid solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #426067 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=426067\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">     How many liters of a 60% acid solution must be added to 10 liters of 20% acid solution to make a make 50% acid solution?<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Let x = amount (liters) of 60% acid added<BR>\n" );
document.write( "then<BR>\n" );
document.write( ".60x + .20(20) = .50(x+20)<BR>\n" );
document.write( ".60x + 4 = .50x+10<BR>\n" );
document.write( ".10x + 4 = 10<BR>\n" );
document.write( "x = 6/.10<BR>\n" );
document.write( "x = 60 liters\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );