Solve the problem.Sandy manages a ceramics shop and uses a 
kiln to fire ceramic greenware. After turning off her kiln, she must wait until its temperature gauge reaches 
before opening it and removing the ceramic pieces. If room temperature is 
and the gauge reads 
in 9 minutes, how long must she wait before opening the kiln? Assume the kiln cools
according to Newton's Law of Cooling: U = T + (Uo - T)ekt.(Round your answer to the nearest whole minute.)
A. 47 minutes
B. 264 minutes
C. 393 minutes
D. 73 minutes
Answer: D
Mathematics
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B. 
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