On a hot Saturday morning while people are working inside, the air conditioner keeps the temperature inside the building at
23\deg C
. At noon the air conditioner is turned off, and the people go home. The temperature outside is a constant
35\deg C
for the rest of the afternoon. If the time constant for the building is 5 hr , what will be the temperature inside the building at 2:00 P.M.? At
6:00
P.M.? When will the temperature inside the building reach
30\deg C
? At 2:00 P.M., the temperature inside the building will be about
?
'C. (Round to the nearest tenth as needed.)