Four schools are going on an overweight field trip. There are 220 students in each school. They will sleep 12 to a cabin. What is the fewest number of cabins needed for all the students Please need help really fast. I don't have time!

Ian is in training for a national hot dog eating contest on the 4th of july. on his first day of training, he eats 4 hot dogs. each day, he plans to eat 110% of the number of hot dogs he ate the previous day. write an explicit formula that could be used to find the number of hot dogs ian will eat on any particular day.