This has alot of information missing. Can you please repost this with more detailed information? Thanks.
D is distance which is 72 meters
time represents seconds which is 12
so ratio is 12:72
reduce to get 1:6
time over distance would be 1/6
every second Eddie runs 6 meters
so t= d/6
or 6t=d
About 2983 ft as you find the circumfrence and mult by 5
Um did you get the wrong picture?
Answer:
4x= 40
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