document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=975007>Question 975007</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The tour bus has traveled the first half of your trip at only 30mph. How fast would your tour bus have to travel for the rest of your trip to have an average speed of 50mph </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #596833 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39623)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=596833\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Very little information is given in the description.  The question asks for a rate for the average rate on the trip d to be 50 mph.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "RT=D, uniform rates rule for travel.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "___________________speed_____________time___________distance<BR>\n" );
document.write( "firsthalf__________30_________________(___)__________d/2<BR>\n" );
document.write( "secndhalf__________r_________________(____)__________d/2<BR>\n" );
document.write( "Totals______________________________(____)___________d\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "___________________speed_____________time__________________distance<BR>\n" );
document.write( "firsthalf__________30________________d/(2*30)_______________d/2<BR>\n" );
document.write( "secndhalf__________r_________________d/(2r)_________________d/2<BR>\n" );
document.write( "Totals______________________________d(1/(2*30)+1/(2r))___________d\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "The time and distances sums can form the expression for average rate which must be equated to 50.   <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=distance%2Ftime ALIGN=MIDDLE  ALT=\"distance%2Ftime\"   DISABLED_style= \"max-width:90%; height:auto;\" >:\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28d%2F%28d%281%2F60%2B1%2F%282r%29%29%29=50%29 ALIGN=MIDDLE  ALT=\"highlight_green%28d%2F%28d%281%2F60%2B1%2F%282r%29%29%29=50%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F%281%2F60%2B1%2F%282r%29%29=50 ALIGN=MIDDLE  ALT=\"1%2F%281%2F60%2B1%2F%282r%29%29=50\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F%28r%2F%2860r%29%2B30%2F%2860r%29%29=50 ALIGN=MIDDLE  ALT=\"1%2F%28r%2F%2860r%29%2B30%2F%2860r%29%29=50\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F%28%28r%2B30%29%2F60r%29=50 ALIGN=MIDDLE  ALT=\"1%2F%28%28r%2B30%29%2F60r%29=50\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=60r%2F%28r%2B30%29=50 ALIGN=MIDDLE  ALT=\"60r%2F%28r%2B30%29=50\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6r%2F%28r%2B30%29=5 ALIGN=MIDDLE  ALT=\"6r%2F%28r%2B30%29=5\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6r=5%28r%2B30%29 ALIGN=MIDDLE  ALT=\"6r=5%28r%2B30%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6r=5r%2B150 ALIGN=MIDDLE  ALT=\"6r=5r%2B150\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28r=150%29 ALIGN=MIDDLE  ALT=\"highlight%28r=150%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, very very fast if in mph. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );