document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=154346>Question 154346</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two cars started from the same point and traveled on a straiht course in opposite directions for exactly 2 hours, at which time they were 208 miles apart.  If one car traveled, on average, 8 miles per hour faster than the other car, what was the average speed for each car for the 2-hour trip?\r<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 #113649 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=113649\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  Two cars started from the same point and traveled on a straiht course in opposite directions for exactly 2 hours, at which time they were 208 miles apart. If one car traveled, on average, 8 miles per hour faster than the other car, what was the average speed for each car for the 2-hour trip? <BR>\n" );
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document.write( "Going in opposite directions, their speeds are added. One car is moving at S mph, the other is S + 8<BR>\n" );
document.write( "So S + (S + 8) times 2 = 208<BR>\n" );
document.write( "2*(2S + 8) = 208<BR>\n" );
document.write( "4S + 16 = 208<BR>\n" );
document.write( "4S = 192<BR>\n" );
document.write( "S = 48 mph <BR>\n" );
document.write( "The faster car moves at 48+8 = 56 mph. </SPAN>\n" );
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