document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=164399>Question 164399</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a bus is traveling at 50 mph then reduces its speed to 40 mph. the 220 mi. trip takes 5 hrs. how long does it travel at each speed? show equation. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #197735 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=197735\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a bus is traveling at 50 mph then reduces its speed to 40 mph. the 220 mi. trip takes 5 hrs. how long does it travel at each speed? show equation.<BR>\n" );
document.write( "---------------------<BR>\n" );
document.write( "d = rt<BR>\n" );
document.write( "t = d/r<BR>\n" );
document.write( "x = distance at 50 mph<BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "t = (x/50) + (220-x)/40 = 5 hours<BR>\n" );
document.write( "Multiply thru by 200<BR>\n" );
document.write( "4x + 5(220-x) = 1000<BR>\n" );
document.write( "-x = -100<BR>\n" );
document.write( "x = 100 miles at 50 mph --> 2 hours<BR>\n" );
document.write( "--> 120 miles at 40 mph --> 3 hours\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );