Answer:
5/2 hours for the temperature to drop to 15 degrees at a rate of 2 degrees per hour.
Step-by-step explanation:
To find out how many hours it will take for the temperature to drop to 15 degrees when it's decreasing at a rate of 2 degrees per hour, you can set up a simple equation.
Let t be the number of hours it takes to drop to 15 degrees.
Given:
- The temperature is dropping at a rate of 2 degrees per hour.
- The initial temperature is T degrees.
- The final temperature is 15 degrees.
So, the equation representing this scenario is:
T - 2t = 15
Solving for t:
2t = T - 15
Since the temperature is decreasing, we subtract 15 from the initial temperature:
2t = T - 15
Given that the temperature is initially higher than 15 degrees, let's assume T = 20 degrees for this calculation.
2t = 20 - 15
2t = 5
t = 5/2
Therefore, it will take 5/2 hours for the temperature to drop to 15 degrees at a rate of 2 degrees per hour.
