document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=207010>Question 207010</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A car gets 30 miles to the gallon of gas on the highway and 20 miles to the gallon for local driving.  In the first week of October, the car was driven 180 miles on the highway, if the car's average gas mileage for that week was 26 miles to the gallon how many miles of local driving was the car used for that week? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #156515 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=156515\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 180/26=X/30+(180-X)/20<BR>\n" );
document.write( "180/26=(20X+30(180-X))/30*20<BR>\n" );
document.write( "180/26=(20X+5400-30X)/600<BR>\n" );
document.write( "180/26=(5400-10X)/600<BR>\n" );
document.write( "26(5400-10X)=600*180<BR>\n" );
document.write( "140,400-260X=108,000<BR>\n" );
document.write( "-260X=108,000-140,400<BR>\n" );
document.write( "-260X=-32,400<BR>\n" );
document.write( "X=-32,400/-260<BR>\n" );
document.write( "X=124.6 MILES @ 30 MPH.<BR>\n" );
document.write( "180-124.6=55.4 MILES @ 20 MPH. OF LOCAL DRIVING.<BR>\n" );
document.write( "PROOF:<BR>\n" );
document.write( "180/26=124.6/30+55.4/20<BR>\n" );
document.write( "6.923=4.153+2.77<BR>\n" );
document.write( "6.923=6.923 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );