The Ethnic Food Line at the Cougar Eat Can Serve

Short Answer

The Ethnic food line at the Cougar Eat can serve customers at the rate of about 30 per hour. From 10 am until 4 pm one day, the rate R at which customers entered then line was about customers per hour at t hours past 10 am. About how many customers were served between 10 am and 4 pm that day? Round to the nearest whole number.