Asked by Kevin
Jan can run at 7.5 m/s and Mary at 8.0 m/s. On a race track Jan is given a 25m head start, and the race ends in a tie. How long is the track?
Answers
Answered by
Henry
8T = 7.5T + 25.
8T-7.5T = 25
T = 50 s.
d = 8*T = 8*50 = 400 m.
8T-7.5T = 25
T = 50 s.
d = 8*T = 8*50 = 400 m.
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.