document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=208942>Question 208942</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A truck is traveling 45 mlies per hour and a train traveling 60 miles per hour cover the same distance. The truck travles 2 hours longer than the train. how many hours deos each travel? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #157983 by </B><A HREF=/tutors/aboutme.mpl?userid=kthanhpn><B>kthanhpn(2)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=kthanhpn><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=157983\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Call the time the truck needs to travel this distance t. Because the total time of the truck is 2 hours longer than the total time of the train, the time of the train can be expressed as t-2. Recall that distance can be calculated by finding the product of speed and time. Therefore, we can set up the equation:<BR>\n" );
document.write( "45(t) = 60(t-2)<BR>\n" );
document.write( "Simplify, we have:<BR>\n" );
document.write( "45t = 60t - 120<BR>\n" );
document.write( "Subtract 60t from each sides, we have:<BR>\n" );
document.write( "-15t = -120<BR>\n" );
document.write( "t = 8<BR>\n" );
document.write( "Train: 8-2=6<BR>\n" );
document.write( "The truck travels for 8 hours.<BR>\n" );
document.write( "The train travels for 6 hours.\r<BR>\n" );
document.write( "\n" );
document.write( "To check this, plug in the numbers<BR>\n" );
document.write( "45(8) = 360<BR>\n" );
document.write( "60(6) = 360<BR>\n" );
document.write( "And 8-6 = 2 (hours). </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );