document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=493783>Question 493783</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A truck enters a highway driving 60 mph. A car enters the highway at the same place 9 minutes later and drives 69 mph in the same direction. From the time the car enters the highway, how long will it take the car to pass the truck?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #335450 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=335450\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A truck enters a highway driving 60 mph. A car enters the highway at the same place 9 minutes later and drives 69 mph in the same direction. From the time the car enters the highway, how long will it take the car to pass the truck?<BR>\n" );
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document.write( "Apply the distance formula of d=rt<BR>\n" );
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document.write( "Since speed is given in terms of \"hours\" we must convert 9 minutes to hours:<BR>\n" );
document.write( "9 minutes = 9/60 hours = 3/20 hours<BR>\n" );
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document.write( "Let x = time (hours) it takes car to pass the truck<BR>\n" );
document.write( "then<BR>\n" );
document.write( "60(x + 3/20) = 69x<BR>\n" );
document.write( "multiplying both sides by 20:<BR>\n" );
document.write( "60(20x + 3) = 1380x<BR>\n" );
document.write( "1200x + 180 = 1380x<BR>\n" );
document.write( "180 = 180x<BR>\n" );
document.write( "1 hour = x </SPAN>\n" );
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