Find the time in Room 4's schedule to reserve two 1-hour IT Trainings, It takes 30 minutes to set up for each IT training and 45 minutes to tear down afterward. The IT Training can't take place at the same time as a Sales Meeting in any other room. The IT Trainings can only be scheduled in Room 4 when Room 3 is also available, including time for set up and tear down. Room 1 Room 2 Room 3 9 10 11 12 2 3 5 6 Room 4 10 11 12 2 3 5