The Following Reaction Is Allowed to Come to Equilibrium with a Measured

The following reaction is allowed to come to equilibrium with a measured partial pressure of 0.68 atm for O₂,0.72 atm for N₂,and 2.83 atm for NO.What is K_p for the reaction at this temperature?
N₂(g) + O₂(g) → 2 NO(g)

A) 32.7
B) 16.4
C) 5.78
D) 2.29
E) 0.0611