At 1:00 PM, Sally puts into a refrigerator a can of beer that has been sitting in a room temperature 70°F. The temperature in the refrigerator is 40°F. Fifteen minutes later the temperature of the beer has fallen to 60°F. At some later time, Sally removes the beer from the refrigerator to the room, where at 2:00 PM the temperature of the beer is 60°F. At what time did Sally remove the beer from the refrigerator?

At 1:00 PM, Sally puts into a refrigerator a can of beer that has been sitting in a room temperature 70°F. The temperature in the refrigerator is 40°F. Fifteen minutes later the temperature of the beer has fallen to 60°F. At some later time, Sally removes the beer from the refrigerator to the room, where at 2:00 PM the temperature of the beer is 60°F. At what time did Sally remove the beer from the refrigerator?

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