A certain freezing process require that room temperature be lowered from 40 °c at the rate of 4°c per hour.what will be room temperature after 12 hours of the process begin
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Answer: -8°C
Step-by-step explanation:
Initial temperature: 40°C
rate temperature lowered every hour: 4°C
therefore, temperature after 12 hours: 12x4=48= 48-40= -8°C
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