Question: A body of unknown temperature is placed in a refrigerator at a constant temperature of 0 F. If after 20 minutes the temperature of the

A body of unknown temperature is placed in a refrigerator at a constant temperature of 0° F. If after 20 minutes the temperature of the body is 40° F and after 40 minutes the temperature of the body is 20° F, Find the initial temperature of the body.

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