document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=952080>Question 952080</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Tom walks at 4 km/h and runs at 6 km/h. He can save <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+15%2F4+ ALIGN=MIDDLE  ALT=\"+15%2F4+\"   DISABLED_style= \"max-width:90%; height:auto;\" > minutes by running from his house to the station instead of walking. How many kilometres is it from his house to the station?\r<BR>\n" );
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document.write( "Please show working. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #581465 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=581465\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let t be the time it takes Tom to walk to the station, then<BR>\n" );
document.write( "4*t = d, where d is the distance to the station and<BR>\n" );
document.write( "6*(t - ((15/4) * (1/60)))<BR>\n" );
document.write( "therefore<BR>\n" );
document.write( "4*t = 6*(t - (15/240)<BR>\n" );
document.write( "4*t = (6*t) - (6*(3/48))<BR>\n" );
document.write( "4*t = (6*t) - (18/48))<BR>\n" );
document.write( "2*t = 3/8<BR>\n" );
document.write( "t = 3/16 of an hour<BR>\n" );
document.write( "4*(3/16) = 3/4 km = .75 km<BR>\n" );
document.write( "distance = .75 km<BR>\n" );
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