document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=999143>Question 999143</A>: <I><SPAN STYLE=\"word-break: break-all;\"> You have 20 fl oz of a gas/oil mixture that is 2.5% oil. How much gas should you add to lower it<BR>\n" );
document.write( "to a 2% mix? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #616830 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=616830\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You have 20 fl oz of a gas/oil mixture that is 2.5% oil. How much gas should you add to lower it to a 2% mix? <BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "oil + oil = oil<BR>\n" );
document.write( "0.025*20 + 0*x = 0.02(20+x)<BR>\n" );
document.write( "------<BR>\n" );
document.write( "Multiply thru by 1000 to get:<BR>\n" );
document.write( "25*20 + 0 = 20*20+20x<BR>\n" );
document.write( "20x = 5*20<BR>\n" );
document.write( "x = 5 gallons (amt of pure gasoline to add)<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" );