Jim pays $75 per month for his cell phone plan plus $0.30 per minute beyond the first 1000 minutes his bill was $105.60 last month how many minutes did he use

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%