contestada

Starbucks serves coffee at 180°F and room temperature in Starbucks is 75°F. You observe that your coffee cools down to 120° after 10 minutes.
(a) Write down the exponential growth equation based on Newton's Law of Cooling for the temperature T(t) of the coffee after t minutes of being served.
(b) How long after being served will it take for the temperature of the coffee to reach 100°?