document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=208060>Question 208060</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Michael drove to a friend's house at a rate of 40 mph. He returned by the same route at a rate of 45 mph. The driving time for the round trip was 4 hours. What is the distance Michael traveled? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #157379 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=157379\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Michael drove to a friend's house at a rate of 40 mph. He returned by the same route at a rate of 45 mph. The driving time for the round trip was 4 hours. What is the distance Michael traveled?<BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "d = rt<BR>\n" );
document.write( "t = d/r<BR>\n" );
document.write( "4 = d/40 + d/45<BR>\n" );
document.write( "1440 = 9d + 8d = 17d<BR>\n" );
document.write( "d = 1440/17 miles<BR>\n" );
document.write( "d =~ 84.7 miles </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );