document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=900858>Question 900858</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A student drove a distance of 120 miles at an average speed of 55 mph. How much faster would she have to drive on the return trip to save 30 minutes of driving time?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #546235 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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/cgi-bin/show-face.mpl?user=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=546235\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 55t=120,<BR>\n" );
document.write( "x(t-1/2)=120<BR>\n" );
document.write( "t=120/55<BR>\n" );
document.write( "t=24/11=48/22<BR>\n" );
document.write( "x(48/22-11/22)=120<BR>\n" );
document.write( "x*37/22=120<BR>\n" );
document.write( "37x=2640<BR>\n" );
document.write( "x=71.35\r<BR>\n" );
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document.write( " </SPAN>\n" );
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