document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=99185>Question 99185</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A car leaves a city and goes north at a rate of 50 mi/h at 2 P.M. One hour later a second car leaves, traveling south at a rate of 40 mi/h. At what time will the two cars be 320 mi apart? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #72157 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=72157\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 50T+40(T-1)=320<BR>\n" );
document.write( "50T+40T-40=320<BR>\n" );
document.write( "90T=320+40<BR>\n" );
document.write( "90T=360<BR>\n" );
document.write( "T=360/90<BR>\n" );
document.write( "T=4 HOURS AFTER THE FIRST CAR LEAVES. THEY WILL BE 320 MILES APART.<BR>\n" );
document.write( "PROOF<BR>\n" );
document.write( "50*4+40*3=320<BR>\n" );
document.write( "200+120=320<BR>\n" );
document.write( "320=320 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );