Question 5048: A roast was cooked at 325 °F in the oven for 4 hours. The internal temperature rose from 32 °F to 145 °F. What was the average rise in temperature per hour? Answer by rapaljer(4667) (Show Source):
You can put this solution on YOUR website! Find the amount of the temperature rise, which is 145 - 32 = 113°F. Since the change occurred over 4 hours, divide 113°F by 4 , which is 28.25 °F per hour.