What is that temperature at which the Fahrenheit reading is double that of the Celsius reading?

The temperature at which the fahrenheit reading triple that of celsius scale is

The temperature at which the fahrenheit reading triple that of celsius scale is

At what temperature on celsius scale, the Farenheight scale reading is double of celsius scale reading?

At what temperature on celsius scale, the Farenheight scale reading is double of celsius scale reading?

Calculate the temperature at which the reading on Fahrenheit scale is equal to half the reading of Celsius scale.

At what temperature on the Fahrenheit scale will the reading be double of the reading on the Celsius scale?