Suppose that it is 70 F in your house when the furnace breaks down at midnight. The

Question:

Suppose that it is 70° F in your house when the furnace breaks down at midnight. The outside temperature is 10" F. You notice that after 30 minutes the inside temperature has dropped 10 50° F.
(a) What will the temperature be after one hour (that is. at 1:00 AM)?
(b) How long will it take for the temperature to drop to 15° F?