document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=906375>Question 906375</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The radiator in a car is filled with a solution of 65% antifreeze and 35% water. The manufacturer of the antifreeze suggests that for summer driving, optimal cooling of the engine is obtained with only 50% antifreeze. If the capacity of the radiator is 4.3 liters, how much coolant (in liters) must be drained and replaced with pure water to reduce the antifreeze concentration to 50%?<BR>\n" );
document.write( "please please help me! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #549771 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=549771\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 0.65*4.3-0.65x+0x=0.5(4.3)<BR>\n" );
document.write( "2.795+-0.65x=2.15<BR>\n" );
document.write( "-0.65x=2.15-2.795<BR>\n" );
document.write( "-0.65x=-0.645<BR>\n" );
document.write( "x=0.99230769 liters means almost a liter<BR>\n" );
document.write( "check<BR>\n" );
document.write( "0.65*3.30769231+0*0.99230769=0.5(4.3)<BR>\n" );
document.write( "2.15+0.0=2.15<BR>\n" );
document.write( "2.15=2.15<BR>\n" );
document.write( "ok<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );