document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=67890>Question 67890</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi, I need help solving this problem. I have a big! problem with mixture problems :  and I have to take chemistry soon. Please help!! Thanks<BR>\n" );
document.write( "Question:<BR>\n" );
document.write( "A radiator contains 6L of a 25% antifreeze solution. How much should be drained and replaced with pure antifreeze to produce a 50% antifreeze solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #48274 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=48274\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A radiator contains 6L of a 25% antifreeze solution. How much should be drained and replaced with pure antifreeze to produce a 50% antifreeze solution?<BR>\n" );
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document.write( "Amt of 25% solution = 6 liters; amt of active ingredient= 0.25*6= 1.5 liters<BR>\n" );
document.write( "Amt of 25% removed is x liters; amt of active ingre removed is 0.25x liters<BR>\n" );
document.write( "Amt replaced is x liters; amt of active ingredient added  = x liters<BR>\n" );
document.write( "Resulting amount is 6 liters ; amt of active ingredient = 0.50(6)= 3 liters<BR>\n" );
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document.write( "EQUATION:<BR>\n" );
document.write( "active -active + active = active<BR>\n" );
document.write( "1.5 - 0.25x + x = 3<BR>\n" );
document.write( "0.75x=1.5<BR>\n" );
document.write( "x=2 liters<BR>\n" );
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document.write( "2 liters of the 25% solution should be drained out and replaced <BR>\n" );
document.write( "with 2 liters of 100% antifreeze.<BR>\n" );
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document.write( "Cheers<BR>\n" );
document.write( "Stan H.  </SPAN>\n" );
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