An object whose temperature is 615F is placed in a room whose temperature is 75F. At 4
Chapter 1, Problem 24(choose chapter or problem)
An object whose temperature is 615F is placed in a room whose temperature is 75F. At 4 p.m., the temperature of the object is 135F, and an hour later its temperature is 95F. At what time was the object placed in the room?
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