At an immunization clinic, there is one scheduled appointment every five minutes starting at noon. Each patient arrives exactly at the scheduled time, spends 10 minutes in the lobby doing paperwork, then five minutes out of the lobby getting shots, and finally 20 minutes in the lobby to be sure there is no adverse reaction. How many patients are in the lobby at 12:34 p.m.?
1 st patient at 1200 in lobby until 12 35
2nd patient at 12 05 in lobby until 12 40
3rd patient at 12 10 in lobby until 12 45
4th patient at 12 15 in lobby until 12 50
5th patien at 12 20 getting a shot at 12 34
6th patient at 12 25 in lobby until 12 35
7th patient at 12 30 in lobby until 12 40 6 patients are in the lobby at 12 34