document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=578788>Question 578788</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Word problems are really giving me difficulty.  Does anyone have a simple easy rule?\r<BR>\n" );
document.write( "\n" );
document.write( "d=rt\r<BR>\n" );
document.write( "\n" );
document.write( "Kicking my behind.<BR>\n" );
document.write( "A jogger runs at a rate of 10mph. He returns, same route at 6mph. Total trip took 1 hour 36 minutes.  How far did he run?\r<BR>\n" );
document.write( "\n" );
document.write( "Delena<BR>\n" );
document.write( "thanks all! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #370888 by </B><A HREF=/tutors/aboutme.mpl?userid=richard1234><B>richard1234(7193)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richard1234><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=richard1234><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=370888\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Suppose the route is d miles long. Using d = rt, we have t = d/r. We have to add two different times (going there, coming back) using this formula. Also, we want consistent units so use 1.6 hours instead of 1 hr 36 minutes.:\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \frac{d}{10} + \frac{d}{6} = 1.6\"> Use LCD of 30:\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \frac{3d}{30} + \frac{5d}{30} = 1.6\">\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \frac{8d}{30} = 1.6\">\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE 8d = 48 \Rightarrow d = 6\"> (miles) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );