Final answer:
Without specific information about the total distance Jeff walked and the time he took, we cannot accurately determine how many feet per minute Jeff walked among the provided options. An estimation based on a different reference speed is approximately 275.382 feet/minute, which is not close to any of the options given.
Step-by-step explanation:
To determine how many feet Jeff walked per minute, we would need to know the total distance Jeff walked and the time it took him to walk that distance. Since the specific details regarding Jeff's walking distance and time are not provided within the given information, we cannot calculate the exact feet per minute Jeff walked.
However, if we take reference from Cassie's walking speed which is given as 1.40 m/s and convert it to feet per minute, assuming that Jeff could have a similar speed, we can estimate an answer. Since there are approximately 3.281 feet in a meter, we would multiply Cassie's speed by 3.281 to convert to feet per second, and then multiply by 60 seconds to find feet per minute:
Cassie's speed in feet per minute = 1.40 m/s * 3.281 feet/meter * 60 seconds/minute = approximately 275.382 feet/minute.
This value is not close to any of the provided options A) 110 feet/minute B) 115 feet/minute C) 120 feet/minute D) 125 feet/minute. Therefore, without the specific information about Jeff's walking details, we cannot choose any of the provided options with certainty.