document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1168709>Question 1168709</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Vinnie drives his car 156 miles and has average of a certain speed. If the average speed had been 5mph more. He could have traveled 168 miles jn the same length of time. What was his average speed? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #793299 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=793299\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ave speed=x<BR>\n" );
document.write( "x=156/t, where t is time in hours.<BR>\n" );
document.write( "(x+5)=168/t, same t\r<BR>\n" );
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document.write( "so tx=156 and t=156/x<BR>\n" );
document.write( "and t=168/(x+5)<BR>\n" );
document.write( "set those equal<BR>\n" );
document.write( "168x=156x+780<BR>\n" );
document.write( "12x=780<BR>\n" );
document.write( "x=65 mph original speed and takes 2.4 hours<BR>\n" );
document.write( "drive 70 mph and go 168 miles in that same time interval.\r<BR>\n" );
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document.write( "the answer is 65 mph.<BR>\n" );
document.write( " </SPAN>\n" );
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