document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=202364>Question 202364</A>: <I><SPAN STYLE=\"word-break: break-all;\"> while waiting for a train, bong takes a bus ride at 60 kph to a certain point and then walks back leisurely at 10 kph. The bus takes 15 minutes less than his walking. how far has he walked and for how long? <BR>\n" );
document.write( "this what i did:<BR>\n" );
document.write( "d=60(15-t)<BR>\n" );
document.write( "d=10t<BR>\n" );
document.write( "d=900-60t<BR>\n" );
document.write( "60t+10t=900-60t i transposed the 60t<BR>\n" );
document.write( "70t=900 and i divide both sides by 70 but i cant get the answer for the 900<BR>\n" );
document.write( "Please if you can even include how to get the answer thanks in advance </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #152590 by </B><A HREF=/tutors/aboutme.mpl?userid=vleith><B>vleith(2983)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=vleith><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=152590\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You're on the right track, but have an error in the logic used to represent the bus ride time<BR>\n" );
document.write( "Let t be the time it takes to walk in hours. Then bus ride time is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t-15%2F60 ALIGN=MIDDLE  ALT=\"t-15%2F60\"   DISABLED_style= \"max-width:90%; height:auto;\" > (remember your time needs to be in the same units. So we have to convert 15 minutes into hours)<BR>\n" );
document.write( "You know that <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Distance=Rate+%2A+time ALIGN=MIDDLE  ALT=\"Distance=Rate+%2A+time\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "And you also know the distance is the same in both directions.<BR>\n" );
document.write( "So <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=BusDistance+=+WalkingDistance ALIGN=MIDDLE  ALT=\"BusDistance+=+WalkingDistance\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=BusRate%2ABusTime+=+WalkingRate%2AWalkingTime ALIGN=MIDDLE  ALT=\"BusRate%2ABusTime+=+WalkingRate%2AWalkingTime\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=60+%2A+%28t-%281%2F4%29%29+=+10%2At ALIGN=MIDDLE  ALT=\"60+%2A+%28t-%281%2F4%29%29+=+10%2At\"   DISABLED_style= \"max-width:90%; height:auto;\" > <--- this is where your error in bustime messed you up<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=60t+-+15+=+10t ALIGN=MIDDLE  ALT=\"60t+-+15+=+10t\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=50t+=+15 ALIGN=MIDDLE  ALT=\"50t+=+15\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+0.3 ALIGN=MIDDLE  ALT=\"t+=+0.3\"   DISABLED_style= \"max-width:90%; height:auto;\" > hours<BR>\n" );
document.write( "That's 18 minutes. <BR>\n" );
document.write( "If Bong walks at 10kph for 0.3 hours, thats <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Distance+=+%2810k%2Fh%29%2A0.3h ALIGN=MIDDLE  ALT=\"Distance+=+%2810k%2Fh%29%2A0.3h\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3k ALIGN=MIDDLE  ALT=\"3k\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );