Aweb music store offers two versions of a popular song. the size of the standard version is 2.4 megabytes (mb). the size of the high-quality version is 4.9 mb. yesterday, there were 1020 downloads of the song, for a total download size of 3398 mb. how many downloads of the standard version were there?

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.