document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1053620>Question 1053620</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A bus and a car traveled a distance of 140km from town A to town B. The car left town A 45 minutes after the bus, but it reached town B 15 minutes earlier than the bus. If the average speed of the bus was 60 km/hr what was the average speed of the car? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #668815 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=668815\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+s+ ALIGN=MIDDLE  ALT=\"+s+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = the average speed of the car in km/hr<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+ ALIGN=MIDDLE  ALT=\"+t+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = the time in hrs the car takes to get to town B<BR>\n" );
document.write( "--------------------------------------<BR>\n" );
document.write( "How far did the bus get in the 1st 45 min?<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d%5B1%5D+=+60%2A%283%2F4%29+ ALIGN=MIDDLE  ALT=\"+d%5B1%5D+=+60%2A%283%2F4%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d%5B1%5D+=+45+ ALIGN=MIDDLE  ALT=\"+d%5B1%5D+=+45+\"   DISABLED_style= \"max-width:90%; height:auto;\" > km<BR>\n" );
document.write( "-----------------------<BR>\n" );
document.write( "Start a stop watch when the car leaves town A<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+ ALIGN=MIDDLE  ALT=\"+t+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = time in hrs on stop watch when car<BR>\n" );
document.write( "gets to town B<BR>\n" );
document.write( "-----------------------<BR>\n" );
document.write( "Equation for the car:<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+140+=+s%2At+ ALIGN=MIDDLE  ALT=\"+140+=+s%2At+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Equation for the bus:<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+140+-+45+=+60%2A%28+t+%2B+1%2F4+%29+ ALIGN=MIDDLE  ALT=\"+140+-+45+=+60%2A%28+t+%2B+1%2F4+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "---------------------------------<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+95+=+60t+%2B+15+ ALIGN=MIDDLE  ALT=\"+95+=+60t+%2B+15+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+60t+=+80+ ALIGN=MIDDLE  ALT=\"+60t+=+80+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+=+4%2F3+ ALIGN=MIDDLE  ALT=\"+t+=+4%2F3+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+140+=+s%2At+ ALIGN=MIDDLE  ALT=\"+140+=+s%2At+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+140+=+s%2A%284%2F3%29+ ALIGN=MIDDLE  ALT=\"+140+=+s%2A%284%2F3%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+s+=+%283%2F4%29%2A140+ ALIGN=MIDDLE  ALT=\"+s+=+%283%2F4%29%2A140+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+s+=+105+ ALIGN=MIDDLE  ALT=\"+s+=+105+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-----------------------<BR>\n" );
document.write( "The average speed of the car is 105 km/hr<BR>\n" );
document.write( "------------------------<BR>\n" );
document.write( "check answer:<BR>\n" );
document.write( "The total time for the bus is:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3%2F4+%2B+%28+4%2F3+%2B+1%2F4+%29+ ALIGN=MIDDLE  ALT=\"+3%2F4+%2B+%28+4%2F3+%2B+1%2F4+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+9%2F12+%2B+16%2F12+%2B+3%2F12+=+28%2F12+ ALIGN=MIDDLE  ALT=\"+9%2F12+%2B+16%2F12+%2B+3%2F12+=+28%2F12+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+28%2F12+=+7%2F3+ ALIGN=MIDDLE  ALT=\"+28%2F12+=+7%2F3+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "--------------------<BR>\n" );
document.write( "The bus travels <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+140+ ALIGN=MIDDLE  ALT=\"+140+\"   DISABLED_style= \"max-width:90%; height:auto;\" > km for <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+7%2F3+ ALIGN=MIDDLE  ALT=\"+7%2F3+\"   DISABLED_style= \"max-width:90%; height:auto;\" > hrs<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+140+=+60%2A%287%2F3%29+ ALIGN=MIDDLE  ALT=\"+140+=+60%2A%287%2F3%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+420+=+60%2A7+ ALIGN=MIDDLE  ALT=\"+420+=+60%2A7+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+420+=+420+ ALIGN=MIDDLE  ALT=\"+420+=+420+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );