Since each day has a total of 24 hours of time slots available for the station to sell, there is a total of 48 hours of time slots available to sell on Tuesday and Wednesday. Each time slot is a 30-minute interval, which is equal to a
1
2
−hour interval. Therefore, there are a total of
48hours
1
2
hours/time slot
=96 time slots of 30 minutes for the station to sell on Tuesday and Wednesday