document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=462897>Question 462897</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many gallons of a 50% anti-freeze solution must be mixed with 90 gallons of 25% anti-freeze to get a mixture that is 40% anti-freeze? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #317244 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=317244\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How many gallons of a 50% anti-freeze solution must be mixed with 90 gallons of 25% anti-freeze to get a mixture that is 40% anti-freeze?<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "anti + anti = anti<BR>\n" );
document.write( "0.50x + 0.25*90 = 0.40(x+90)<BR>\n" );
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document.write( "Multiply thru by 100 to get:<BR>\n" );
document.write( "50x + 25*90 = 40x + 40*90<BR>\n" );
document.write( "10x = 15*90<BR>\n" );
document.write( "---<BR>\n" );
document.write( "x = 135 gallons (amt. of 50% solution needed)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "=========== </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );