document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=187635>Question 187635</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The distance of a train from a station, d, varies directly with the time, t.  If d = 200 miles when t = 4 hours, what is the equation of direct variation? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #140666 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=140666\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The distance of a train from a station, d, varies directly with the time, t. If d = 200 miles when t = 4 hours, what is the equation of direct variation?<BR>\n" );
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document.write( "d = rt is often used, distance = rate x time<BR>\n" );
document.write( "if 200 = r*4, then r = 50 miles per hour, or 50 mph<BR>\n" );
document.write( "d = 50t is the equation. </SPAN>\n" );
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