Carlos is participating in a 5-day cross-country biking challenge. He biked for 48, 57, 66, and 68 miles on the first four days How many miles does he need to bike on the last day so that his average (mean) is 59 miles per day?

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.