document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=917069>Question 917069</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Dora drove east at a constant rate of 75 kph. One hour later, Tim started driving on the same road at a constant rate of 90 kph. For how long was Tim driving, before he caught up to Dora?\r<BR>\n" );
document.write( "\n" );
document.write( "I have tried to use a table<BR>\n" );
document.write( "i set it up like this<BR>\n" );
document.write( "Name|D(mi)|R(kph)|T(hr.)|<BR>\n" );
document.write( "Dora|  d  |75    |t     |<BR>\n" );
document.write( "Tim |  d  |90    |t+1   |<BR>\n" );
document.write( "and then I went and i tried to put it into an equation<BR>\n" );
document.write( "75t=90(t+2)<BR>\n" );
document.write( "75t=90t+180<BR>\n" );
document.write( "-90t -90t<BR>\n" );
document.write( "-15t=180<BR>\n" );
document.write( "____ ____<BR>\n" );
document.write( "-15  -15<BR>\n" );
document.write( "t=-12<BR>\n" );
document.write( "but It is not an answer on my multiple choice and it wouldn't be a negative 12 hours<BR>\n" );
document.write( "-15  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #556535 by </B><A HREF=/tutors/aboutme.mpl?userid=MathTherapy><B>MathTherapy(10555)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathTherapy><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=MathTherapy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=556535\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "Dora drove east at a constant rate of 75 kph. One hour later, Tim started driving on the same road at a constant rate of 90 kph. For how long was Tim driving, before he caught up to Dora?\r<BR>\n" );
document.write( "\n" );
document.write( "I have tried to use a table<BR>\n" );
document.write( "i set it up like this<BR>\n" );
document.write( "Name|D(mi)|R(kph)|T(hr.)|<BR>\n" );
document.write( "Dora|  d  |75    |t     |<BR>\n" );
document.write( "Tim |  d  |90    |t+1   |<BR>\n" );
document.write( "and then I went and i tried to put it into an equation<BR>\n" );
document.write( "75t=90(t+2)<BR>\n" );
document.write( "75t=90t+180<BR>\n" );
document.write( "-90t -90t<BR>\n" );
document.write( "-15t=180<BR>\n" );
document.write( "____ ____<BR>\n" );
document.write( "-15  -15<BR>\n" );
document.write( "t=-12<BR>\n" );
document.write( "but It is not an answer on my multiple choice and it wouldn't be a negative 12 hours<BR>\n" );
document.write( "-15 <BR>\n" );
document.write( "<PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\"><BR>\n" );
document.write( "You should let time that it takes Tim to catch up to Dora be T<BR>\n" );
document.write( "Since Dora will take a longer time as she's travelling at a slower rate of speed than Tim, time she'll take is: T + 1<BR>\n" );
document.write( "Thus, your equation is: 90T = 75(T + 1)<BR>\n" );
document.write( "Solve for T, the time Tim will take. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );