One night a certain hotel rented 4/5 of its rooms, including 2/3 of their air conditioned rooms. If 3/5 of its rooms were air conditioned, what percent of the rooms that were not rented were air conditioned?	Choose the correct choice from the following answers:
A) 60%
B) 70%
C) 80%
D) 90%
E) 100%
The rooms which were not rented is 1/5   The AC rooms which were not rented is (1/3)*(3/5) = 1/5   The percentage of unrented rooms which were AC rooms is   (1/5) / (1/5)= 
<gadget id="calculator">  (1/5) / (1/5)</gadget>
<output>1</output>
1= 100%   The answer is 100%.
<result>E</result>
One night a certain hotel rented 4/5 of its rooms, including 2/3 of their air conditioned rooms. If 3/5 of its rooms were air conditioned, what percent of the rooms that were not rented were air conditioned?