To convert from Celsius (°C) to Fahrenheit (°F), we can use the following formula:
\[ F = \frac{9}{5}C + 32 \]
Now, substituting \( C = 50 \):
\[ F = \frac{9}{5}(50) + 32 \] \[ F = 90 + 32 \] \[ F = 122 \]
So, 50°C is equal to 122°F. Therefore, the correct answer is 122°F.