document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=157305>Question 157305</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many liters of a 70%  acid solution are needed to be mixed with 18 liters of a 10% acid solution to get a mixture which is 25% alcohol? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #115945 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=115945\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> First of all, this might be a \"trick\" question. It talks about acid<BR>\n" );
document.write( "solutions giving an alcohol solution. Maybe it's miscopied someway.<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x ALIGN=MIDDLE  ALT=\"x\"   DISABLED_style= \"max-width:90%; height:auto;\" >= liters of 70% solution needed<BR>\n" );
document.write( "In words:<BR>\n" );
document.write( "(alcohol in 70% solution + alcohol in 10% solution) / (total solution) = 25%<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28.7x+%2B+.1%2A18%29+%2F+%28x+%2B+18%29+=+.25 ALIGN=MIDDLE  ALT=\"%28.7x+%2B+.1%2A18%29+%2F+%28x+%2B+18%29+=+.25\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "multiply both sides by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2B18 ALIGN=MIDDLE  ALT=\"x%2B18\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.7x+%2B+1.8+=+.25%2A%28x+%2B+18%29 ALIGN=MIDDLE  ALT=\".7x+%2B+1.8+=+.25%2A%28x+%2B+18%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.7x+%2B+1.8+=+.25x+%2B+4.5 ALIGN=MIDDLE  ALT=\".7x+%2B+1.8+=+.25x+%2B+4.5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.45x+=+2.7 ALIGN=MIDDLE  ALT=\".45x+=+2.7\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+6 ALIGN=MIDDLE  ALT=\"x+=+6\"   DISABLED_style= \"max-width:90%; height:auto;\" > liters of 70% solution needed<BR>\n" );
document.write( "check:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28.7x+%2B+.1%2A18%29+%2F+%28x+%2B+18%29+=+.25 ALIGN=MIDDLE  ALT=\"%28.7x+%2B+.1%2A18%29+%2F+%28x+%2B+18%29+=+.25\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28.7%2A6+%2B+.1%2A18%29+%2F+%286+%2B+18%29+=+.25 ALIGN=MIDDLE  ALT=\"%28.7%2A6+%2B+.1%2A18%29+%2F+%286+%2B+18%29+=+.25\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%284.2+%2B+1.8%29+%2F+24+=+.25 ALIGN=MIDDLE  ALT=\"%284.2+%2B+1.8%29+%2F+24+=+.25\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6%2F24+=+.25 ALIGN=MIDDLE  ALT=\"6%2F24+=+.25\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.25+=+.25 ALIGN=MIDDLE  ALT=\".25+=+.25\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );