the teacher: 15 seconds after the buzzer, the teacher has 135 meters to go to the finish line. 32 seconds after he left the starting line, the teacher has to run 50 meters more to the finish line. Usain Bolt: 22 seconds after the buzzer, usain has 189 meters to finish. 36 seconds after the buzzer, he has 42 meters to the finish line.
2 answers
Is there a question?
why are you reposting this?
Steve already did it for you
http://www.jiskha.com/display.cgi?id=1476313817
Steve already did it for you
http://www.jiskha.com/display.cgi?id=1476313817