At 25°C,the Decomposition of Dinitrogen Tetraoxide

At 25°C,the decomposition of dinitrogen tetraoxide
N₂O₄(g) ⇌ 2NO₂(g)
Has an equilibrium constant (K) of 0.144.At equilibrium,the total pressure of the system is 0.500 atm.What is the partial pressure of each gas?

A) N₂O₄ = 0.206 atm;NO₂ = 0.294 atm
B) N₂O₄ = 0.212 atm;NO₂ = 0.288 atm
C) N₂O₄ = 0.288 atm;NO₂ = 0.212 atm
D) N₂O₄ = 0.294 atm;NO₂ = 0.206 atm
E) N₂O₄ = 0.437 atm;NO₂ = 0.063 atm