Firefighter Practice Exam

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If you convert 25 ° Celsius to Fahrenheit, what is the expected outcome?

77 °
68 °
82 °
60 °

The correct answer is: 77 °

To convert Celsius to Fahrenheit, the formula used is F = (C × 9/5) + 32. In this case, substituting 25 for C in the formula yields: F = (25 × 9/5) + 32. Calculating this step-by-step, 25 multiplied by 9/5 equals 45. Adding 32 to this gives a total of 77. Therefore, the correct answer, representing the conversion from 25 degrees Celsius to Fahrenheit, is 77 °F. Understanding this conversion process is essential for firefighters as they often work in conditions where temperature may need to be interpreted across different scales.