document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=380155>Question 380155</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A chemist needs 12 liters of a 40% alcohol solution. She must mix a 20% solution and a 50% solution. How many liters of each well be required to obtain what she needs? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #269814 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=269814\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A chemist needs 12 liters of a 40% alcohol solution. She must mix a 20% solution and a 50% solution. How many liters of each well be required to obtain what she needs?<BR>\n" );
document.write( "...<BR>\n" );
document.write( "20% solution .............x liters<BR>\n" );
document.write( "50% solution.............12-x liters<BR>\n" );
document.write( "40%.......................12 liters (requirement)<BR>\n" );
document.write( "...<BR>\n" );
document.write( "I have not converted the percentage to 0.2,0.5,0.4.as generally done.<BR>\n" );
document.write( "Even if we convert it, we again multiply by 100 for easy calculation<BR>\n" );
document.write( "..<BR>\n" );
document.write( "20*x+50*(12-x)=40*12<BR>\n" );
document.write( "20x+600-50x=480<BR>\n" );
document.write( "20x-50x=480-600<BR>\n" );
document.write( "-30x=-120<BR>\n" );
document.write( "/-30<BR>\n" );
document.write( "x= 4 liters 20% solution<BR>\n" );
document.write( "12-x = 8 liters of 50% solution.<BR>\n" );
document.write( "...<BR>\n" );
document.write( "m.ananth@hotmail.ca </SPAN>\n" );
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