document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=129512>Question 129512</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Five hundred gallons of 82-octane gasoline is obtained by mixing 80-octane gasoline with 86-octane gasoline. How much of each must be used? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #94577 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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=94577\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .86X+.80(500-X)=.82*500<BR>\n" );
document.write( ".86X+400-.80X=410<BR>\n" );
document.write( ".06X=410-400<BR>\n" );
document.write( ".06X=10<BR>\n" );
document.write( "X=10/.06<BR>\n" );
document.write( "X=166 2/3 GALLONS OF 86 OCTAIN IS USED.<BR>\n" );
document.write( "500-166 2/3=333 1/3 GALLONS OF 80 OCTAIN IS USED.<BR>\n" );
document.write( "PROOF<BR>\n" );
document.write( ".86*166.67+.80*333.33=.82*500<BR>\n" );
document.write( "143.34+266.66=410<BR>\n" );
document.write( "410=410 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );