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DIFFERENTIAL EQUATION: ELEMENTARY APPLICATIONS

5. A matter with a temperature of 24^oC is taken to an open ground where the temperature is 34^oC^. After 15 minutes, the temperature of the matter is 27^oC.

a. How long(in hour) it will take for the matter to reach a temperature of 30^oC?
b. Determine the temperature of the matter after 30 minutes.

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