0400 Mole of CCl₄ and 0

0.400 mole of CCl₄ and 0.600 mole of CHCl₃ are mixed at 43°C. The vapor pressure of pure CCl₄ at this temperature is 0.354 atm and the vapor pressure of pure CHCl₃ at this temperature is 0.526 atm. What is the vapor pressure of the solution?

A) 0.285 atm
B) 0.423 atm
C) 0.457 atm
D) 0.526 atm
E) 0.880 atm