document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=667728>Question 667728</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If Gina leaves now and drives at 66 km/h, she will reach Alton just in time for her appointment. On the other hand, if she has lunch first and leaves in 40 minutes, she will have to drive at 90 km/h to make her appointment. How far away is Alton? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #415133 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=415133\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let Alton be x miles from where she is.\r<BR>\n" );
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document.write( "Time taken in both options is the same.\r<BR>\n" );
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document.write( "Option I speed = 60 mph\r<BR>\n" );
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document.write( "t=d/r\r<BR>\n" );
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document.write( "time taken = x/60\r<BR>\n" );
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document.write( "she will take 40 minutes less at higher speed. = 40/60 = 2/3 hours\r<BR>\n" );
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document.write( "t-2/3 = x/90<BR>\n" );
document.write( "t= x/90 +2/3\r<BR>\n" );
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document.write( "Equate the time in both options\r<BR>\n" );
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document.write( "x/60 = x/90 +2/3\r<BR>\n" );
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document.write( "x/60 -x/90 = 2/3\r<BR>\n" );
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document.write( "LCD = 180<BR>\n" );
document.write( "Multiply equation by 180<BR>\n" );
document.write( "3x-2x=180*2/3\r<BR>\n" );
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document.write( "x=120<BR>\n" );
document.write( "Alton is 120 miles from where she is now. </SPAN>\n" );
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