A farmer hears a weather report saying that temperatures will be decreasing approximately 5 ∘ every hour for the next 4 hours. What signed number represents the total change in temperature expected over the next 4 hours?

Respuesta :

Answer:

-20°

Step-by-step explanation:

5*4 = 20

And its DECREASING which means its going down so it would be going down 20 degrees