document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=288810>Question 288810</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A semi truck leaves a dock at 2 pm. It travels a rate of 60 mi/h. A second truck leaves the same dock an hour later and travels the same route at 75 mi/h. How long will it take the second truck to catch up the first truck? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #209292 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=209292\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> you obviously have  not looked for similar problems. I already did 2 others today.<BR>\n" );
document.write( "the first truck has an hour head start. So he goes 60 miles in that hour.<BR>\n" );
document.write( "the second truck gains on the first truck at 15 mph<BR>\n" );
document.write( "60/15=4<BR>\n" );
document.write( "so it will take 4 hours to catch up.<BR>\n" );
document.write( "But they will both get arrested since the national speed limit is still 55.\r<BR>\n" );
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document.write( "60*(t+1)=75t<BR>\n" );
document.write( "60t+60=75t<BR>\n" );
document.write( "60=15t<BR>\n" );
document.write( "60/15=t<BR>\n" );
document.write( "t= 4hours\r<BR>\n" );
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document.write( " </SPAN>\n" );
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