Each dot in the scatterplot above represents the temperature and the number of people who visited a beach in Lagos, Nigeria, on one of eleven different days. The x-axis represents the average temperature, and the y-axis represents the number of people.

The line of best fit for the data is also shown. According to the line of best fit, what is the number of people predicted to visit this beach on a day with an average temperature of ?
240
280
300
360