Andy and his family are having an early Christmas get together and he is cooking a Christmas lunch for his family.
Andy is going to cook a turkey.
The instructions for the total time for cooking a turkey are:
Total time = (30 minutes at 220°C) + (50 minutes per kilogram at 170°C) + (Leave for 15 minutes before serving)
Andy is cooking a 3 kilogram turkey.
He wants to serve it at 2pm.
What is the latest time that Andy should start the cooking.
Answer:
To find the total time add 30 minutes, 15 minutes and then 50 minutes for each kilogram
The total time is 3 hours and 15 minutes
Therefore, Andy should start cooking at 10:45am.