Question

The temperature inside a refrigerator is -4°C. When the electricity supply is
turned off, the temperature rises by 3°C every hour. What will be the
temperature inside the refrigerator 3 hours after the electricity supply is turned
off?​

Answer 1

Answer:5'c

Step-by-step explanation:

initial temp.=-4'c

rise in temp per hour=3'c

temp after 3 hours=3*3'c+(-4'c)

                              =9'c+(-4'c)

                              =5'c.

That's it. wUw

Answer 2

Answer:

temprature inside refrigirator = -4 °C

temprature increases by per hour = 3° C

After 3 hrs =

Step-by-step explanation:

increase in temperature after 3 hs=

3 × 3

= 9° C

rise = +

temprature now =

-4 +9 = 5

Answer = 5