document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=336175>Question 336175</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many liters of a 30% alcohol solution must be mixed with 80 liters of a 80% solution to get a 50% solution?\r<BR>\n" );
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document.write( "I have made a table and tried to work many algebraic solutions but cannot come up with one.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #241060 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=241060\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  How many liters of a 30% alcohol solution must be mixed with 80 liters of a 80% solution to get a 50% solution? <BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "alcohol+alcohol = alcohol<BR>\n" );
document.write( "0.30x + 0.80*80 = 0.50(x+80)<BR>\n" );
document.write( "Multiply thru by 100 to get:<BR>\n" );
document.write( "30x + 80*80 = 50x + 50*80<BR>\n" );
document.write( "-20x = -30*80<BR>\n" );
document.write( "x = (3/2)80<BR>\n" );
document.write( "x = 120 liters (amt of 30% solution needed in the mixture)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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