Answer:
The answer is C
Step-by-step explanation:
First, you have to find the angle of PRN :
∠PRN = 180° - ∠ PRS (angle in straight line is 180°)
= 180° - 120°
= 60°
Then, you can find the angle of NPR :
∠NPR = 180° - ∠PRN - ∠PNR (angle in a triangle is 180°)
= 180° - 60° - 55°
= 65°
