document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=180841>Question 180841</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Driving marathon. Felix drove 800 miles in x hours on Monday.\r<BR>\n" );
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document.write( "a) Write a rational expression for his average speed.\r<BR>\n" );
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document.write( "b) On Tuesday he drove for 6 hours at the same average speed. Write a rational expression for his distance on Tuesday.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #135585 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=135585\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a)\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d=rt ALIGN=MIDDLE  ALT=\"d=rt\"   DISABLED_style= \"max-width:90%; height:auto;\" > Start with the distance rate time formula\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=800=rx ALIGN=MIDDLE  ALT=\"800=rx\"   DISABLED_style= \"max-width:90%; height:auto;\" > Plug in d=800 and t=x\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=800%2Fx=r ALIGN=MIDDLE  ALT=\"800%2Fx=r\"   DISABLED_style= \"max-width:90%; height:auto;\" > Divide both sides by x.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r=800%2Fx ALIGN=MIDDLE  ALT=\"r=800%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" > Rearrange the terms.\r<BR>\n" );
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document.write( "So the rational expression for his average speed is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=800%2Fx ALIGN=MIDDLE  ALT=\"800%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "b)\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d=rt ALIGN=MIDDLE  ALT=\"d=rt\"   DISABLED_style= \"max-width:90%; height:auto;\" > Start with the distance rate time formula\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d=%28800%2Fx%296 ALIGN=MIDDLE  ALT=\"d=%28800%2Fx%296\"   DISABLED_style= \"max-width:90%; height:auto;\" > Plug in <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r=800%2Fx ALIGN=MIDDLE  ALT=\"r=800%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" > (since he traveled the same average speed) and t=6\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d=4800%2Fx ALIGN=MIDDLE  ALT=\"d=4800%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" > Multiply\r<BR>\n" );
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document.write( "So the rational expression for his distance is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4800%2Fx ALIGN=MIDDLE  ALT=\"4800%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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