document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=680439>Question 680439</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how many liters of a 40% alcohol solution must be mixed 60 liters of a 70% solution to get a 50% solution </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #422329 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=422329\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> how many liters of a 40% alcohol solution must be mixed 60 liters of a 70% solution to get a 50% solution<BR>\n" );
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document.write( "Using 2 equation:<BR>\n" );
document.write( "Quantity Eq:: x + 60 = y<BR>\n" );
document.write( "Alcohol Eq:::0.40x + 0.70*60 = 0.50y<BR>\n" );
document.write( "------------<BR>\n" );
document.write( "Multiply thru Quantity Eq by 40<BR>\n" );
document.write( "Multiply thru Alcohol Eq by 100<BR>\n" );
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document.write( "40x + 40*60 = 40y<BR>\n" );
document.write( "40x + 70*60 = 50y<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "Subtract and solve for \"y\":<BR>\n" );
document.write( "30*60 = 10y<BR>\n" );
document.write( "y = 180 liters<BR>\n" );
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document.write( "Solve for \"x\":<BR>\n" );
document.write( "x + 60 = y<BR>\n" );
document.write( "x + 60 = 180<BR>\n" );
document.write( "x = 120 liters (amt. of 40% solution needed)\r<BR>\n" );
document.write( "\n" );
document.write( "======================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );