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 Cfor 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
6:00P.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.)