What is the Fahrenheit equivalent of 20 degrees Celsius?

To convert Celsius to Fahrenheit, you can use the formula:

F = (C × 9/5) + 32

For 20 degrees Celsius, plug the value into the formula:

F = (20 × 9/5) + 32

F = (36) + 32

F = 68 degrees Fahrenheit

This calculation shows that 20 degrees Celsius is equivalent to 68 degrees Fahrenheit, making the correct answer C. Understanding this conversion is essential in many fields, including HVAC and piping practices, as it helps in accurately gauging temperature conditions for various processes.