From a table inside a room with current temperature of 26 degrees Celsius, a left over Fried Chicken is removed and placed inside a refrigerator set to a temperature of 5 degrees Celsius. After 8 minutes the temperature of the chicken is 21 degrees Celsius. What is the temperature of the chicken 20 minutes after it was placed in the refrigerator? (use 2 decimal digit. unit is not needed)

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