document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=309307>Question 309307</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The cooling system on a truck contains 5 gallons of collant that is 40% antifreeze mixture.  How much must be withdrawn and replaced with pure 100% antifreeze to bring the coolant in the system to a 50% antifreeze mixture? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #221218 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=221218\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The cooling system on a truck contains 5 gallons of collant that is 40% antifreeze mixture. How much must be withdrawn and replaced with pure 100% antifreeze to bring the coolant in the system to a 50% antifreeze mixture?<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "anti -anti + anti = anti<BR>\n" );
document.write( "0.40*5 - 0.40x + x = 0.50(5)<BR>\n" );
document.write( "Multiply thru by 100 to get:<BR>\n" );
document.write( "40*5 - 40x + 100x = 50*5<BR>\n" );
document.write( "60x = 10*5<BR>\n" );
document.write( "x = (1/6)5 = 5/6 gallon (amt. that should be replaced in the mixture)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "stan H.<BR>\n" );
document.write( "================================================ </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );