document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=212320>Question 212320</A>: <I><SPAN STYLE=\"word-break: break-all;\"> HOW MANY LITERS OF A 10% ALCOHOL SOLUTION MUST BE MIXED WITH 40 L OF A 50% SOLUTION TO GET A 40% SOLUTION? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #160391 by </B><A HREF=/tutors/aboutme.mpl?userid=HyperBrain><B>HyperBrain(694)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=HyperBrain><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=160391\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x=the amount of 10% alcohol solution required<BR>\n" );
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document.write( "x L + 40 L = (x+40) L of mixture<BR>\n" );
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document.write( "If we have x L of 10% alcohol solution, we have 0.10x L pure alcohol<BR>\n" );
document.write( "If we have 40 L of 50% alcohol solution, we have 0.5(40)=20 L pure alcohol<BR>\n" );
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document.write( "So, we have the equation:<BR>\n" );
document.write( "0.40(x+40)=0.10x+20<BR>\n" );
document.write( "40(x+40)=10x+2000<BR>\n" );
document.write( "4(x+40)=x+200<BR>\n" );
document.write( "4x+160=x+200<BR>\n" );
document.write( "3x=40<BR>\n" );
document.write( "x=<u>40/3 L</u> </SPAN>\n" );
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