The Solution:
Given:
[tex]\text{ Convert }82^oF\text{ to Celsius}[/tex]Recall:
So, to convert 82 Fahrenheit to Celsius, we shall substitute 82 for T.
[tex]T_c=\frac{5}{9}(82-32)=\frac{5}{9}\times50=27.7777..\approx27.8^oC[/tex]Therefore, the correct answer is 27.8 degrees Celsius.