document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=740115>Question 740115</A>: <I><SPAN STYLE=\"word-break: break-all;\"> eric averaged 50 MPH traveling from denevr to minneapolis. Returning by a different route that covered the same number of miles, he averaged 55 mph. what is his distance between the two cities if hid total travel time was 32 hrs? <BR>\n" );
document.write( " going: r=50 t=x<BR>\n" );
document.write( "returning: r=55 t=32-x<BR>\n" );
document.write( "i dont know how to even begin.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #451507 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=451507\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This is the rate*time=distance problem\r<BR>\n" );
document.write( "\n" );
document.write( "we are given\r<BR>\n" );
document.write( "\n" );
document.write( "t1 + t2 = 32\r<BR>\n" );
document.write( "\n" );
document.write( "also\r<BR>\n" );
document.write( "\n" );
document.write( "50t1 = d  and\r<BR>\n" );
document.write( "\n" );
document.write( "55t2 = d\r<BR>\n" );
document.write( "\n" );
document.write( "we have 50t1 = 55t2 and\r<BR>\n" );
document.write( "\n" );
document.write( "t1 = 55t2 / 50 \r<BR>\n" );
document.write( "\n" );
document.write( "substitute for t1 in the first equation and we get\r<BR>\n" );
document.write( "\n" );
document.write( "55t2/50 + t2 = 32\r<BR>\n" );
document.write( "\n" );
document.write( "multiply both sides of the = by 50\r<BR>\n" );
document.write( "\n" );
document.write( "55t2 + 50t2 = 1600\r<BR>\n" );
document.write( "\n" );
document.write( "105t2 = 1600 and t2 = 15.2\r<BR>\n" );
document.write( "\n" );
document.write( "distance = 55 * 15.2 = 836 miles\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );