Vandita is in the process of making ice cream. She has heated all the ingredients to 40 degree Celsius and put them in a refrigerator to freeze. If the cooling rate is 9 degree Celsius per hour, what will be the temperature in the freezer after 12 hours?
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Step-by-step explanation:
Temperature before freezing = 40°C
Cooling rate per hour = 9°C
12 hours = 9 × 12 = 108
Temperature after 12 hours = 40 - 108 = -68
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