Using addition, the time taken by David has to cook the turkey is 15-minutes.
What is Addition?
Addition is the "process of combined or sum of the two or more numbers".
According to the question,
David cooks a turkey in the oven at 450° for 30minutes and also cooks 2 more hours for 300°.
Convert 2 hours into minutes
1 hour = 60 minutes
2 hours = 60×2
= 120minutes.
In order to find cooking time in minutes only if add 120 minutes and 30 minutes.
120 minutes + 30 minutes = 150 minutes.
Hence, using addition, the time taken by David has to cook the turkey is 15-minutes.
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