show all calculations A clinic wants to work down its backlog to implement advanced access.

Need clear work please show clear explanation please thank you....show all calculations

A clinic wants to work down its backlog to implement advanced access. The clinic currently has 1200 booked appointments and sees 100 patients a day. The physician staff have agreed to extend their schedules and can now see 110 patients per day. What is their current backlog, and how many days will it take to reduce it to zero?