document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=459737>Question 459737</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Students are traveling in two cars to a football game 135 miles away. The first car leaves on time and travels at an average speed of 45 miles per hour. The second car starts 1/2 hour later and travels at an average speed of 55 mile per hour. How long will it take the second car to catch up to the first car before the first car arrives at the game?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #315255 by </B><A HREF=/tutors/aboutme.mpl?userid=htmentor><B>htmentor(1343)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=htmentor><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=htmentor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=315255\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Students are traveling in two cars to a football game 135 miles away. The first car leaves on time and travels at an average speed of 45 miles per hour. The second car starts 1/2 hour later and travels at an average speed of 55 mile per hour. How long will it take the second car to catch up to the first car before the first car arrives at the game? <BR>\n" );
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document.write( "Car 1 has a head start of 45 mi/hr * 0.5 hr = 22.5 mi<BR>\n" );
document.write( "The RELATIVE speed of the two cars is 55 - 45 = 10 mi/hr<BR>\n" );
document.write( "At this relative speed, the time required to make up this distance is:<BR>\n" );
document.write( "22.5 mi/10 mi/hr = 2.25 hrs<BR>\n" );
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