Jake has a 6-hour layover at an airport (from 10:00 am to 4:00 pm) and wants to make the most of his time by visiting attractions in the nearby city. He has identified five activities he would like to do and has written these down in the table below. Travel time from the airport to the city center is 30 minutes each way, and he must be back at the airport by 4:00 pm for his connecting flight.