20 points whoever solves this

Based on what i know about mean, this doesn't add up.

Anew shopping mall is gaining in popularity. every day since it 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 on the first day?

I’m really confused and need your assist me with this question i’ve never been taught