A new shopping mall is gaining in popularity. Every day since it opened, the number of shoppers is 20% more than the number of shoppers the day before. The number of shoppers for the fourth day is 216. How many shoppers were at the mall on the first day?

A new shopping mall is gaining popularity. Every day since it has opened, the number of shoppers is 5% more than the number of shoppers the day before. The total number of shoppers over the first 10 days is 1258. How many shoppers were at the mall on the first day?