document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=192055>Question 192055</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A car gets 28mpg city and 40mpg highway.  It is driven 278 miles and used 8 gallons of gas.  How many gallons were used on the highway? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #144117 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=144117\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A car gets 28mpg city and 40mpg highway. It is driven 278 miles and used 8 gallons of gas. How many gallons were used on the highway?<BR>\n" );
document.write( "-----------------------<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "miles + miles = 278<BR>\n" );
document.write( "28x + 40(8-x) = 278<BR>\n" );
document.write( "28x + 320 - 40x = 278<BR>\n" );
document.write( "-12x = -42<BR>\n" );
document.write( "x = 21/6<BR>\n" );
document.write( "x = 7/2 gallons (city driving)<BR>\n" );
document.write( "8-(7/2) = 1/2 gallon (highway driving)<BR>\n" );
document.write( "=================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );