document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=902017>Question 902017</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If a plane flys from us to Paris at 257 mph  On return flight  flew at 277 mph.  Given that the first trip took 2 hours longer, how long was the return trip. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #547050 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=547050\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Difference in time for going and returning = 2 hours\r<BR>\n" );
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document.write( "let distance be x\r<BR>\n" );
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document.write( "t=d/r\r<BR>\n" );
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document.write( "time forward <BR>\n" );
document.write( "x/257\r<BR>\n" );
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document.write( "time return = x/277\r<BR>\n" );
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document.write( "time forward - time return = 2\r<BR>\n" );
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document.write( "x/257 - x/277 = 2\r<BR>\n" );
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document.write( "(277x-257x )/257*277 =2\r<BR>\n" );
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document.write( "20x = 257*277*2\r<BR>\n" );
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document.write( "x= 257*277*2/20<BR>\n" );
document.write( "x=7118.9 miles\r<BR>\n" );
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document.write( "t=d/r<BR>\n" );
document.write( "=7118.9/277\r<BR>\n" );
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document.write( "25.7 hours return trip\r<BR>\n" );
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document.write( " </SPAN>\n" );
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