document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1164834>Question 1164834</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A car took 5 hours to travel from town A to town B. A bus took 9 hrs to travel the same route. both the car and bus started at the same time. if the speed of the car was 90km/h, how much faster did the bus need to travel in order to reach town B 1hr and 36 min earlier than the expected arrival time. if it could only increase it's speed after 3/5 of the journey? </SPAN>\n" );
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document.write( "A car took 5 hours to travel from town A to town B. A bus took 9 hrs to travel the same route. both the car and bus started at the same time. if the speed of the car was 90km/h, how much faster did the bus need to travel in order to reach town B 1hr and 36 min earlier than the expected arrival time. if it could only increase it's speed after 3/5 of the journey?<BR>\n" );
document.write( "<PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">Since car takes 5 hours to reach B, @ 90 km/h, distance from A to B = 5(90) = 450 km<BR>\n" );
document.write( "<PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">Since bus takes 5 hours to reach B, a distance of 450 km, the bus' speed = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%281%2C4%2C+450%2F9%2C+%22=%22%2C+50%2C+%22km%2Fh%22%29 ALIGN=MIDDLE  ALT=\"matrix%281%2C4%2C+450%2F9%2C+%22=%22%2C+50%2C+%22km%2Fh%22%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Travelling <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%2F5 ALIGN=MIDDLE  ALT=\"3%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" > of the distance, the bus must travel <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%281%2C6%2C+3%2F5%2C+of%2C+450%2C+%22or%22%2C+270%2C+km%29 ALIGN=MIDDLE  ALT=\"matrix%281%2C6%2C+3%2F5%2C+of%2C+450%2C+%22or%22%2C+270%2C+km%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >. This means that the bus needs to travel another 180 (450 - 270) km to get to B<BR>\n" );
document.write( "The bus traveled 270 km from A, in <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%281%2C4%2C+270%2F50%2C+%22=%22%2C+27%2F5%2C+hours%29 ALIGN=MIDDLE  ALT=\"matrix%281%2C4%2C+270%2F50%2C+%22=%22%2C+27%2F5%2C+hours%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >. Therefore, it needed another <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%281%2C4%2C+9+-+27%2F5%2C+or%2C+18%2F5%2C+hours%29 ALIGN=MIDDLE  ALT=\"matrix%281%2C4%2C+9+-+27%2F5%2C+or%2C+18%2F5%2C+hours%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > to get to B on time<BR>\n" );
document.write( "However, since it'd need to get to B <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%281%2C6%2C+1%2636%2F60%2C+or%2C+1%263%2F5%2C+%22=%22%2C+8%2F5%2C+hours%29 ALIGN=MIDDLE  ALT=\"matrix%281%2C6%2C+1%2636%2F60%2C+or%2C+1%263%2F5%2C+%22=%22%2C+8%2F5%2C+hours%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > sooner, then it'd need to travel for <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%281%2C6%2C+18%2F5+-+8%2F5%2C+%22=%22%2C+10%2F5%2C+%22=%22%2C+2%2C+hrs%29 ALIGN=MIDDLE  ALT=\"matrix%281%2C6%2C+18%2F5+-+8%2F5%2C+%22=%22%2C+10%2F5%2C+%22=%22%2C+2%2C+hrs%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Traveling the remaining 180 km to B, in 2 hours means that the bus would need to travel at a speed of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%281%2C4%2C+180%2F2%2C+%22or%22%2C+90%2C+%22km%2Fh%22%29 ALIGN=MIDDLE  ALT=\"matrix%281%2C4%2C+180%2F2%2C+%22or%22%2C+90%2C+%22km%2Fh%22%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Hence, the bus would need to travel <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%281%2C4%2C+%2290+-+50%2C%22%2C+or%2C+40%2C+%22km%2Fh%22%29%29 ALIGN=MIDDLE  ALT=\"matrix%281%2C4%2C+%2290+-+50%2C%22%2C+or%2C+40%2C+%22km%2Fh%22%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > more to get to B, 1 hour and 36 minutes earlier than planned. </SPAN>\n" );
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