Question

-The temperature of a hot metallic rod is 278°C. If it is made to
cool off at the rate of 5° every minute, then what will be its
temperature after 15 minute?​

Answer 1

Step-by-step explanation:

so for the next 15 minutes the total reduction in temperature will be 15*5= 75

so the answer will be 278- 75 = 203

Answer 2

Step-by-step explanation:

203 degree celcius. because 5× 15 = 75 and 278- 75 = 203