The equation gives the relation between temperature readings in Celsius and Fahrenheit. If a temperature has reading of -20 Fahrenheit, what is the corresponding reading in Celsius?
A) -28.89 C
B) 6.67 C
C) -53.78 C
D) -18.22 C
E) -11.17 C

Question

The equation  gives the relation between temperature readings in Celsius and Fahrenheit. If a temperature has reading of -20  Fahrenheit, what is the corresponding reading in Celsius? ​
A) -28.89 C 
B) ​6.67 C 
C) -53.78 C 
D) -18.22 C 
E) -11.17 C

Quizplus · Accepted Answer

From the given equation, we know that 
Fahrenheit = (Celsius * 9/5) + 32
Substituting the Fahrenheit value given in the question, we get:
-20 = (Celsius * 9/5) + 32
Solving for Celsius, we get:
Celsius = (-20 - 32) * 5/9
Celsius = -28.89
Therefore, the answer is A.

The Equation Gives the Relation Between Temperature Readings in Celsius