At what temperature are Celsius and Fahrenheit equal?
Correct answer: A. -40 degree
- A. -40 degree
- B. 40 degree
- C. -10 degree
- D. 10 degree
Explanation
The Celsius and Fahrenheit scales intersect at −40 because the conversion formula, F = 9C/5 + 32, gives the same number when C = −40. Thus −40°C equals −40°F.
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