The coastline of us id 12,383 miles kong. canada's coastline is 113211 miles longer than the us. how long is the coastline of canada?

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.