You are a police man and you go to a crime scene. The murdered person is in a meat locker that has a constant temperature of 52 degrees Fahrenheit....

You are a police man and you go to a crime scene. The murdered person is in a meat locker that has a constant temperature of 52 degrees Fahrenheit. You take a liver temperature and the body is 78.3 F, after 20 minutes the temperature is 77.1 F. If you assume normal temperature is 98.6 F, what was the time of death?

Given:

Current time - 1:23 pm

Newtons Law of Cooling