On july 5th, in the area around center village, there was great excitement. six different people reported to the police that they had seen bigfoot, the large hairy creature sometimes seen but never captured. the next day, twice as many people called the police sure they had seen the creature. each day, the police received twice as many calls as the day before. after they got a total of 300 calls, the police took the phone off the hook. on what date did the police take the phone off the hook?