Answer:
-15°C.
Explanation:
They tell us that the temperature dropped 3 ° C every hour, therefore, the temperature change every hour = -3 ° C
They also tell us the total number of hours during which the temperature was changed = 5,
We have to:
The total change in temperature = change over an hour * total number of hours:
TC = - 3rd * 5
TC = -15 °
Then we can affirm that the integer representing the temperature change is -15 ° C.