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

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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?

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