document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=25925>Question 25925</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Here is a mixture problem.  I must have a mental block against work problems because I never under stand how to set them up.  I know mixture problems have to same formula to work them out, but I keep getting the numbers in the wrong places.  Thanks for any help.  Any suggestions would be great!!!\r<BR>\n" );
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document.write( "Mean Melinda's radiator only has 1.5L in it and it is only 33 1/3% anti-freeze.  The manufacturer recommends that the radiator be filled with 4L of 50% antifreeze.  How much antifreeze and how much water must Melinda add to her radiator to meet the manufacturer's specifications?\r<BR>\n" );
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document.write( "I say just take it to Jiffy lube!!!\r<BR>\n" );
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document.write( "Can you please help me?<BR>\n" );
document.write( "Donna </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #13938 by </B><A HREF=/tutors/aboutme.mpl?userid=longjonsilver><B>longjonsilver(2297)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=longjonsilver><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=longjonsilver><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=13938\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x = volume of antifreeze to add.\r<BR>\n" );
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document.write( "So, BEFORE = AFTER\r<BR>\n" );
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document.write( "1.5*0.333 + x*1.000 = (x+1.5)*0.50<BR>\n" );
document.write( "0.5 + x = 0.50x + 0.75<BR>\n" );
document.write( "0.50x = 0.25<BR>\n" );
document.write( "x = 0.5 litres\r<BR>\n" );
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document.write( "So, to make up a 50% concentration requires 0.5 litres of antifreeze.<BR>\n" );
document.write( "So now we have a radiator with 2 litres liquid in it.\r<BR>\n" );
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document.write( "Recommendation is for 4 litres, so we need a further 2 litres of liquid. To keep this at 50%water-50% antifreeze, we add 1 litre of each.\r<BR>\n" );
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document.write( "So, in total we have added 1.5 litres of antifreeze and 1 litre of water.\r<BR>\n" );
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document.write( "Does this make sense?\r<BR>\n" );
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document.write( "jon.<BR>\n" );
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