document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1166630>Question 1166630</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A company president flew 1110 miles in a corporate jet but returned in a smaller plane that could fly only half as fast. If the total travel time was 9 hours, find the speeds of the planes.<BR>\n" );
document.write( "corporate jet     	<BR>\n" );
document.write( " mph<BR>\n" );
document.write( "smaller plane     	<BR>\n" );
document.write( " mph<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #791190 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</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=791190\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ------------------------------------------------------<BR>\n" );
document.write( "..., flew 1110 miles in a corporate jet but returned in a smaller plane that could fly only half as fast. If the total travel time was 9 hours, find the speeds of the planes.<BR>\n" );
document.write( "-----------------------------------------------------\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "r, speed of small plane<BR>\n" );
document.write( "2r, speed of jet<BR>\n" );
document.write( "d = 1110 miles<BR>\n" );
document.write( "t = 9 hours total<BR>\n" );
document.write( "<PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">\r\n" );
document.write( "                  SPEED       TIME       DISTANCE\r\n" );
document.write( "\r\n" );
document.write( "Jet               2r         d/(2r)       d         \r\n" );
document.write( "\r\n" );
document.write( "Plane              r          d/r         d\r\n" );
document.write( "\r\n" );
document.write( "TOTAL                        t\r\n" );
document.write( "</PRE><BR>\n" );
document.write( "Solve this time sum equation for r:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28d%2F%282r%29%2Bd%2Fr=t%29 ALIGN=MIDDLE  ALT=\"highlight_green%28d%2F%282r%29%2Bd%2Fr=t%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );