document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=937207>Question 937207</A>: <I><SPAN STYLE=\"word-break: break-all;\">  Last weekend Oscar traveled by train to visit his grandparents. On Friday he boarded an express train that traveled at an average rate of 85 miles per hour. On Sunday he returned home on a slower train that traveled at an average rate of 51 miles per hour. The total time Oscar spent on the trains last weekend was 8 hours. How many hours did Oscar spend on the train on Friday </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #570648 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=570648\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> On Friday he boarded an express train that traveled at an average rate of 85 miles per hour. On Sunday he returned home on a slower train that traveled at an average rate of 51 miles per hour. The total time Oscar spent on the trains last weekend was 8 hours. How many hours did Oscar spend on the train on Friday<BR>\n" );
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document.write( "Friday DATA:<BR>\n" );
document.write( "rate = 85 mph ; distance = x miles ; time = d/r = x/85 hrs<BR>\n" );
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document.write( "Sunday DATA:<BR>\n" );
document.write( "rate = 51 mph ; distance = x miles ; time = d/r = x/51<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "time + time  = 8 hrs<BR>\n" );
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document.write( "x/85 + x/51 = 8<BR>\n" );
document.write( "51x + 85x = 8*85*51<BR>\n" );
document.write( "136x = 8*85*51<BR>\n" );
document.write( "x = 255 miles<BR>\n" );
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document.write( "Friday time = x/85 = 255/85 = 3 hrs<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( " </SPAN>\n" );
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