document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=7860>Question 7860</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me with this mixture problem. I have no idea how to do it. THanks<BR>\n" );
document.write( "A car radiator contains 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 #4329 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=4329\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x = the number of liters of antifreeze that must be replaced. Change percentages to decimals.\r<BR>\n" );
document.write( "\n" );
document.write( "Start with 10 liters of 30% antifreeze.  Write this as: 0.3(10)<BR>\n" );
document.write( "You want to remove x liters of 30% antifreeze.  Write this as -0.3(x)<BR>\n" );
document.write( "Then you want add x liters of 100% antifreeze.  Write this as +1(x) or just +x.\r<BR>\n" );
document.write( "\n" );
document.write( "Now all of this must add up to 10 liters of 50% antifreeze.  Write this as 0.5(10).<BR>\n" );
document.write( "Putting it all together, we have:\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.3%2810%29+-+0.3x+%2B+x+=+0.5%2810%29 ALIGN=MIDDLE  ALT=\"0.3%2810%29+-+0.3x+%2B+x+=+0.5%2810%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >  Simplify and solve for x.\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3+%2B+0.7x+=+5 ALIGN=MIDDLE  ALT=\"3+%2B+0.7x+=+5\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.7x+=+2 ALIGN=MIDDLE  ALT=\"0.7x+=+2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+2.86+ ALIGN=MIDDLE  ALT=\"x+=+2.86+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "You must remove 2.86 liters of 30% antifreeze then add 2.86 liters of 100% antifreeze. <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );