Find the Celsius temperature when the Fahrenheit temperature is -20 . Use the relationship between Fahrenheit temperature and Celsius temperature, which is given by the formula F = 1.8 C + 32, where F is the Fahrenheit temperature and C is the Celsius temperature. Round your answer to the nearest tenth of a degree.
A) -4.0 °C
B) 6.7 °C
C) -24.9 °C
D) -28.9 °C
E) -11.1 °C

Question

Find the Celsius temperature when the Fahrenheit temperature is -20 . Use the relationship between Fahrenheit temperature and Celsius temperature, which is given by the formula F = 1.8 C + 32, where F is the Fahrenheit temperature and C is the Celsius temperature. Round your answer to the nearest tenth of a degree. ​
A) -4.0 °C
B) 6.7 °C
C) -24.9 °C
D) -28.9 °C
E) -11.1 °C

Quizplus · Accepted Answer

Firstly, substitute -20 as F in the given formula F = 1.8C + 32 and solve for C:
-20 = 1.8C + 32
-52 = 1.8C
C ≈ -28.9
Therefore, the Celsius temperature when the Fahrenheit temperature is -20 is approximately -28.9 °C. The correct choice is D.

Find the Celsius Temperature When the Fahrenheit Temperature Is -20