At what temperature is the Celsius scale reading equal to twice the Fahrenheit scale reading?
A)-12.3 $\degree$F
B)-24.6 $\degree$F
C)-12.3 $\degree$C
D)-6.1 $\degree$C
E)-20 $\degree$F

Question

At what temperature is the Celsius scale reading equal to twice the Fahrenheit scale reading?
A)-12.3  $\degree$F
B)-24.6  $\degree$F
C)-12.3  $\degree$C
D)-6.1  $\degree$C
E)-20  $\degree$F

Quizplus · Accepted Answer

The correct answer is A because at -40 degrees Celsius, the Fahrenheit scale reading is -40 x 9/5 + 32 = -40 degrees Fahrenheit.

At What Temperature Is the Celsius Scale Reading Equal to Twice