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George is cooking an elaborate meal. He can only cook one thing at a time in his microwave oven. His turkey takes 75 minutes; the pumpkin pie takes 19 minutes; rolls take 60 seconds: and a cup of coffee takes 45 seconds to heat. how much time does he need to cook the meal? when does he need to start cooking in order to complete the cooking by 5:00 pm?

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Answer:

The time he needs to cook the meal is;

[tex]1\text{ hour 35 minutes 45 seconds}[/tex]

For him to complete the cooking by 5 pm, he would need to start 1 hour 35 minutes 45 seconds earlier.

[tex]\begin{gathered} 5\colon00pm\text{ -t} \\ =3\colon24\colon15\text{ pm} \end{gathered}[/tex]

Explanation:

Given that George can only cook one thing at a time in his microwave oven.

And His turkey takes 75 minutes; the pumpkin pie takes 19 minutes; rolls take 60 seconds: and a cup of coffee takes 45 seconds to heat.

The total time taken would be;

[tex]\begin{gathered} t=(75+19)\text{minutes }+(60+45)\text{ seconds} \\ t=94\text{ minutes 105 seconds} \\ t=1\text{ hour 35 minutes 45 seconds} \end{gathered}[/tex]

The time he needs to cook the meal is;

[tex]1\text{ hour 35 minutes 45 seconds}[/tex]

for him to complete the cooking by 5 pm, he would need to start 1 hour 35 minutes 45 seconds earlier.

[tex]\begin{gathered} 5\colon00pm\text{ -t} \\ =3\colon24\colon15\text{ pm} \end{gathered}[/tex]

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