Respuesta :
Answer:
21 °C
Step-by-step explanation:
Let's assume the temperature drop (3 °C) per hr is x
This means the total temperature drop would be 7x because 7 hours
7(3°C)=21°C
Answer:
21 °C
Step-by-step explanation:
Let's assume the temperature drop (3 °C) per hr is x
This means the total temperature drop would be 7x because 7 hours
7(3°C)=21°C