To convert 15 degrees Celsius to Fahrenheit, you can use the formula:
F = (C × 9/5) + 32
Where F is the temperature in Fahrenheit and C is the temperature in Celsius.
Plugging in 15 for C:
F = (15 × 9/5) + 32
F = (27) + 32
F = 59
So, 15 degrees Celsius is equal to 59 degrees Fahrenheit.