Answer the question in the screenshot and please explain the steps for solving the specific type of problem. Thank you.

7. A fresh baked apple pie has an internal temperature of 237F when removed from the oven. The pic was set out on a counter at room temperature, which was 68F. F ieen minutes later, the pie had cooled to 18801:. How long will it take the pie to cool from 188F down to 75F? T Ts = (To Ts)t':l'l