A piece of metal is heated to 428°C before it is left to cool. The temperature of the metal falls at different rates over time. What will be the temperature of the metal after 9 minutes, and what will be the time needed for the metal to reach a temperature of 25°C?

A) After 9 minutes: 325°C; Time to reach 25°C: 36 minutes
B) After 9 minutes: 293°C; Time to reach 25°C: 30 minutes
C) After 9 minutes: 340°C; Time to reach 25°C: 40 minutes
D) After 9 minutes: 275°C; Time to reach 25°C: 24 minutes