A factory produces blue and black pens each week 2/3 of pens produce at the factory write and solve an equation that can be used to determine the number of blue pens produce at the factory in a week when 45,000 pens are produced

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.