Water in a refrigerator cooled at a constant rate of 25% per hour. If it's temperature was 40°C originally, what was its temperature after 3...

      

Water in a refrigerator cooled at a constant rate of 25% per hour. If it's temperature was 40°C originally, what was its temperature after 3 hours?

  

Answers


Dana
After the first hour the temperature will be
75% of 40°C = 30°C
After the second hour, the temperature will be
75% of 30°C = 22.5°C
After the third hour, the temperature will be
75% of 22.5°C = 16.875°C
Dana05 answered the question on October 16, 2019 at 13:08


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