Buses leave from the bus stop outside Bill's home on the hour and at 15, 30 and 45 minutes past each hour. Thee journey time to the station is between 15 and 20 minutes. Fast trains leave Kimster station on the hour and at 30 minutes past each hour and take between 35 and 45 minutes to reach Manter station. Slow trains leave at 40 minutes past each hour and take an hour for the same journey. Thee walk from Manter station to Charlie's house takes between 15 and 20 minutes. Bill wants to meet Charlie by 11:00 at the