document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=390074>Question 390074</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Julio has found that his new car gets 36 miles per gallon on the highway, and 31 miles per gallon in the city. He recently drove 397 miles on 12 gallons of gas. How many highway miles did he drive? How many city miles did he drive? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #276529 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=276529\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Julio has found that his new car gets 36 miles per gallon on the highway, and 31 miles per gallon in the city. He recently drove 397 miles on 12 gallons of gas. How many highway miles did he drive? How many city miles did he drive?<BR>\n" );
document.write( "-----------------------<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "distance + distance = distance<BR>\n" );
document.write( "36x + 31(12-x) = 397<BR>\n" );
document.write( "---<BR>\n" );
document.write( "36x + 31*12 - 31x = 397<BR>\n" );
document.write( "5x = 25<BR>\n" );
document.write( "x = 5 gallons (amt. used in highway driving)<BR>\n" );
document.write( "5*36 = 180 miles of highway driving<BR>\n" );
document.write( "-----------------------------------------<BR>\n" );
document.write( "12-x = 7 gallons (amt. used in city driving)<BR>\n" );
document.write( "31*7 = 217 miles of city driving<BR>\n" );
document.write( "=============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );