Hot custard in heated at a temperature of 194°F. It is then allowed to cool in the refrigerator at a temperature of 41°F. The custard cools to 140°F in 20 minutes. What will be the temperature of the custard after 80 minutes?
A.
51.33°F
B.
56.37°F
C.
65.41°F
D.
67.82°F


B is incorrect



Answer :

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