Solve the problem.
-A thermometer reading 73°F is placed inside a cold storage room with a constant temperature of 33°F. If the thermometer reads 68°F in 7 minutes, how long before it reaches 60°F? Round your answer to the nearest whole minute.
A) -5 min
B) 5 min
C) 21 min
D) 9 min
Correct Answer:
Verified
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