document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=876639>Question 876639</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a car travels 20 kph faster than a truck. the car covers 580 kph in two hours less than the time it takes the truck to travel the same distance how fast does the car travel </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #528914 by </B><A HREF=/tutors/aboutme.mpl?userid=fcabanski><B>fcabanski(1391)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fcabanski><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=528914\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> D = rt ...Distance equals rate of speed times time.<P><BR>\n" );
document.write( "Truck's speed is x.  Car's speed is x+20.<P><BR>\n" );
document.write( "Truck's time is t.  Car's time is t-2.<P><BR>\n" );
document.write( "For the car:  580 = (t-2)*(x+20)<P><BR>\n" );
document.write( "For the truck:  580 = xt.<BR>\n" );
document.write( "For the truck:  x = 580/t.  Plug it into the car equation.<P><BR>\n" );
document.write( "580 = (t-2)* (580/t + 20) = 580+20t - 290/t -40<P><BR>\n" );
document.write( "See image for remainder of calculation.<P><BR>\n" );
document.write( "Car's speed is 1160/9 + 20 = 1160/9 + 180/9 = 1340/9 kph = approximately 148.9 kph<P><BR>\n" );
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