document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=484014>Question 484014</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Michelle drove to a friend's house at a rate of 40mph. She returned by the same route at a rate of 45mph. The driving time for the round trip was 4 hours. What was the distance she traveled?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #331211 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=331211\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> : Michelle drove to a friend's house at a rate of 40mph.<BR>\n" );
document.write( " She returned by the same route at a rate of 45mph.<BR>\n" );
document.write( " The driving time for the round trip was 4 hours.<BR>\n" );
document.write( " What was the distance she traveled? <BR>\n" );
document.write( ":<BR>\n" );
document.write( "let d = the one-way distance<BR>\n" );
document.write( "then<BR>\n" );
document.write( "2d = the total distance traveled<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Write time equation: time = dist/speed<BR>\n" );
document.write( ":<BR>\n" );
document.write( "to time + return time = 4 hrs<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%2F40 ALIGN=MIDDLE  ALT=\"d%2F40\"   DISABLED_style= \"max-width:90%; height:auto;\" > + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%2F45 ALIGN=MIDDLE  ALT=\"d%2F45\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 4<BR>\n" );
document.write( "multiply by 360<BR>\n" );
document.write( "360*<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%2F40 ALIGN=MIDDLE  ALT=\"d%2F40\"   DISABLED_style= \"max-width:90%; height:auto;\" > + 360*<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%2F45 ALIGN=MIDDLE  ALT=\"d%2F45\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 4(360)<BR>\n" );
document.write( "Cancel the denominators, results:<BR>\n" );
document.write( "9d + 8d = 1440<BR>\n" );
document.write( "17d = 1440<BR>\n" );
document.write( "d = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1440%2F17 ALIGN=MIDDLE  ALT=\"1440%2F17\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "d = 84.7<BR>\n" );
document.write( "therefore<BR>\n" );
document.write( "2 * 84.7 = 169.4 total distance traveled<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );