Question: A certain substance can cool itself from 1 0 0 C to 7 0 C in 1 5 minutes. If the air's temperature is 2

A certain substance can cool itself from 100C to 70C in 15 minutes. If the air's temperature is 26C, how long will it take to cool from 100C to 50C?
A certain substance can cool itself from 1 0 0 C

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