Answer: 2 Fahrenheit per hour
Step-by-step explanation:
From the question, we are given the information that the outside temperature decreases by 7 fahrenheit in 3 1/2 hours.
The temperature change as a unit rate will then be calculated as:
= 7 ÷ 3 1/2
= 7 ÷ 7/2
= 7 × 2/7
= 2 Fahrenheit per hour
It Decrease at 2 Fahrenheit per hour
