A cup of chocolate is initially at 170 ° F and is left in a room that has an ambient temperature of 70 ° F. Suppose that from time ? = 0 it is cooled at the rate of 20 ° F per minute. a) Write an initial value problem that models the temperature of hot chocolate. b)How long does it take for hot chocolate to cool down to a temperature of 110 ° F?

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A cup of chocolate is initially at 170 ° F and is left in a room that has an ambient temperature of 70 ° F. Suppose that from time ? = 0 it is cooled at the rate of 20 ° F per minute.

a) Write an initial value problem that models the temperature of hot chocolate.

b)How long does it take for hot chocolate to cool down to a temperature of 110 ° F?

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