contestada

A
In Utah, a massive cold front came through with a snow storm. The
temperature change was reported to be -54.5 degrees in 2.8 hours.
What was the average change in temperature per hour to the nearest
degree?
-52° per hour
19° per hour
52° per hour
[
None of the above

Respuesta :

Given:

The temperature change was reported to be -54.5 degrees in 2.8 hours.

To find: The average change in temperature per hour

Explanation:

The average change in temperature is,

[tex]\begin{gathered} Average\text{ change}=\frac{|Change\text{ }in\text{ }temperature|}{Time} \\ =\frac{|-54.5|}{2.8} \\ =19.4 \\ \approx19^{\circ}\text{ per hour} \end{gathered}[/tex]

The average change in temperature is 19 degrees per hour.

Final answer:

The average change in temperature is 19 degrees per hour.