Question

Q14
a)
In a cold store, the temperature decreases by 2° C every minute till
it comes down to -10°C. If the present temperature is 32°C, what
will be its temperature after an hour?​

Answer 1

Answer:

As there are 60 minutes in an hour so the temperature will drop 2×60 ie 120°C.

But as temperature cannot go below -10°C so the temperature after 1 hour will be -10°C

Answer 2

Answer:

the degree after one hour will be 120 °c