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A cup of coffee at 187 degrees is poured into a mug and left in a room at 70 degrees. After 4 minutes, the coffee is 133 degrees. Assume that the differential equation describing Newton's Law of Cooling is (in this case) dT/dt=k(T-70).

1)What is the temperature of the coffee after 16 minutes?

2)After how many minutes will the coffee be 100 degrees? 

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