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A turkey was cooked at 400° F for 3 hours. If the temperature rose from 30° F to 156° F, what was the average temperature rise per hour?

  1. 44

  2. 31

  3. 42

  4. 40.3

The correct answer is: 42

To determine the average temperature rise per hour, first, calculate the total temperature increase the turkey experienced. The initial temperature of the turkey was 30° F, and it rose to 156° F. To find the total increase, subtract the initial temperature from the final temperature: 156° F - 30° F = 126° F Next, since the turkey was cooked for 3 hours, you divide the total temperature increase by the number of hours to find the average rise per hour: 126° F ÷ 3 hours = 42° F per hour This calculation shows that the turkey's average temperature rose by 42° F each hour during the cooking process. This matches the correct answer, confirming its accuracy as the average temperature rise per hour.