document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=671136>Question 671136</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Mahmoud runs to a marker and back in 15 minutes. His speed on the way to the market is 5m/s and his speed on the way back is 4m/s. Find the distance to the marker. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #417273 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=417273\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let distance to market be x m\r<BR>\n" );
document.write( "\n" );
document.write( "Total time = 15 minutes= 900 seconds\r<BR>\n" );
document.write( "\n" );
document.write( "Time going to market + time returnibg = total time<BR>\n" );
document.write( "t=d/r\r<BR>\n" );
document.write( "\n" );
document.write( "x/4+x/5 =900\r<BR>\n" );
document.write( "\n" );
document.write( "Lcd = 20\r<BR>\n" );
document.write( "\n" );
document.write( "Multiply equation by 20\r<BR>\n" );
document.write( "\n" );
document.write( "5x+4x= 900*20<BR>\n" );
document.write( "9x= 900*20<BR>\n" );
document.write( "x= 900*20/9<BR>\n" );
document.write( "x= 2000 meters\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );