a thermometer records 680 mmHg at steam point and 440 mmHg at ice point. The temperature it records at 380 mmHg is
-
-25oC
- -20oC
- 20oC
- 25oC
The correct answer is: A
Explanation
\(\frac{440 - 380}{680 - 380} = \frac{0 - x}{100 - x}\)= -25oC