Question

The temperature fell from 0 Degrees Fahrenheit to 6 and three-fifths Degrees Fahrenheit below 0 Degrees Fahrenheit in 2 and one-fifth hours. What was the temperature change per hour?
-3
- 4 and two-fifths
3
4 and two-fifths

Answer 1

The temperature change per hour was 3℉.

Step-by-step explanation:

It is given that the temperature fell from 0℉ to 6 $\frac{3}{5}$ ℉ i.e., (33/5)℉, i.e.,  

Initial temperature = 0℉

Final temperature = (33/5)℉

Therefore,  

The change in temperature is,

= final temperature – initial temperature

= (33/5) – 0

= (33/5)℉

The change from 0℉ to (33/5)℉ occurs in = 2 $\frac{1}{5}$ hrs = (11/5) hrs

Thus,  

The temperature change per hour will be,

= [33/5] / [11/5]  

= 3℉

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Answer 2

The answer is -3

Explanation:

Its was right on edge