document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=776169>Question 776169</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many liters of  a 50% alcohol solution must be mixed with 80 liters if a 90% solution to get a 70% solution ? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #473419 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=473419\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How many liters of a 50% alcohol solution must be mixed with 80 liters if a 90% solution to get a 70% solution ?<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "alc. + alc. = alc<BR>\n" );
document.write( "0.50x + 0.90*80 = 0.70(x+80)<BR>\n" );
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document.write( "50x + 90*80 = 70x + 70*80<BR>\n" );
document.write( "20x = 20*80<BR>\n" );
document.write( "x = 80 liters (amt. of 50% solution to add)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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