A project design team has design their new office space with an open office plan and operable windows to provide natural ventilation. The office will have 65 employees, each with their own workstation, as well as 6 small conference rooms designed for meetings and collaborative space. In order for the project to comply with IEQCredit 6.2 Controllability of Systems, Thermal Comfort, what is the minimum amount of workstations that must be within 20 feet inside and 10 feet to either side of the operable windows?
A. 65
B.59
C. 49
D.33
E. 7

-The answer choice is 49 and I do not understand how! 65 employees- 50% of thermal comfort controls should be 33 controls plus one for each of the 6 conference rooms, right?