document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=655944>Question 655944</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The radiator in Natalie's car contains 6.3 L of antifreeze and water. This mixture is 30% antifreeze. How much of this mixture should she drain and replace with pure antifreeze so that there will be a mixtuure of 50% antifreeze?\r<BR>\n" );
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document.write( "1.89 - .3x + 1x = 3.15<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #409309 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=409309\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The radiator in Natalie's car contains 6.3 L of antifreeze and water. This mixture is 30% antifreeze. How much of this mixture should she drain and replace with pure antifreeze so that there will be a mixtuure of 50% antifreeze? <BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "alcohol - alcohol + alcohol = alcohol<BR>\n" );
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document.write( "0.30*6.3 - 0.30x + 1.00x  = 0.50*6.3<BR>\n" );
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document.write( "30*6.3 - 30x + 100x = 50*6.3<BR>\n" );
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document.write( "70x = 20*6.3<BR>\n" );
document.write( "x = (2/7)6.3<BR>\n" );
document.write( "x = 2*0.9<BR>\n" );
document.write( "x = 1.8 L (amt. to remove and replace)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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