The answer is C. 90 degrees Celsius
Here's how:
We were given a Fahrenheit temperature and was asked to get the Celsius. Using the formula (F-32) 5 / 8 = C, we get the answer in degrees Celsius.
Say:
F = 194
Substitute:
(194-32) 5 / 9 = 90 degrees Celsius
Thus, the result of the given equation is 90 degrees Celsius.