document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=449381>Question 449381</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Mixture problem:  A mechanic needs a radiator to have a 40% antifreeze solution.  the radiator currently is filled with 4 gallons of a 25% antifreeze solution.  How much of the antifreeze mixture should be drained from the car if the mechanic replaces it with pure antifreeze? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #309175 by </B><A HREF=/tutors/aboutme.mpl?userid=jorel1380><B>jorel1380(3719)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jorel1380><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=jorel1380><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=309175\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4x.4=1.6<BR>\n" );
document.write( ".25(4-x)+x=1.6<BR>\n" );
document.write( "1-.25x+x=1.6<BR>\n" );
document.write( ".75x=.6<BR>\n" );
document.write( "x=.6/.75=.8<BR>\n" );
document.write( "The mechanic need to remove .8 gallons of the anti-freeze he/she's got in the radiator, and replace it with .8 gallons of pure antifreeze to get the desired solution. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );