Numbers and Arithmetic K7The Locarno Film Festival is a famous event held in Switzerland. The Piazza Grande is converted into an 8,000 seat open-air cinema every night. Two films are screened, one at 21:30 and the other at 23:30, with most seats usually being sold.

Estimate how many people are expected to visit the venue daily if 80% of them watch one film and 20% - two films.