Answer:
i think 6
Step-by-step explanation:
hope this helps
<h2>
Length of track is 168 meter</h2>
Step-by-step explanation:
Let l be the length of track.
Running speed = 4 m/s
Jogging speed = 2 m/s
Total time taken = 2 minutes 6 seconds. = 126 seconds
That is
Length of track is 168 meter
Http://www.personal.kent.edu/~bosikiew/Algebra-handouts/circles.pdf
I found this is may help but I don't know for sure.