document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=347483>Question 347483</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a car radiator containes 10 liters of a 30% antifreeze solution. how many liters will have to be replaced with pure antifreeze if the resulting solution is to be 50% antifreeze? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #248424 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=248424\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a car radiator contains 10 liters of a 30% antifreeze solution. <BR>\n" );
document.write( "how many liters will have to be replaced with pure antifreeze if the resulting solution is to be 50% antifreeze?<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "active - active + active = active<BR>\n" );
document.write( "---<BR>\n" );
document.write( "0.30*10 - 0.30x + 1.00x = 0.50*10 liters<BR>\n" );
document.write( "-----------------------------------<BR>\n" );
document.write( "Multiply thru by 100 to get:<BR>\n" );
document.write( "30*10 - 30x + 100x = 50*10<BR>\n" );
document.write( "70x = 20*10<BR>\n" );
document.write( "x = 200/70 = 2.8571 liters (amt. to replaced by pure antifreeze)<BR>\n" );
document.write( "==============================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "==============================<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );