Question

the temperature of a hot metalic lord is 278 degree Celsius if it cool off at the rate of 5 degree Celsius every 1 minute then what will be temperature after 15 minute​

Answer 1

Answer:

203°C .

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Answer 2

Step-by-step explanation:

The temperature at the beginning = 278 degree C

The temperature dropping per minute = -5 degree C

The temperature dropping per 15 minutes = 15 ×-5 =-75 degree C

The temperature after 15 minutes = 278 + (-75)

= 278 - 75

= 203 degree C