The Vapor Pressure of Pure Water at 15 ^$\circ$ C Is 12

The vapor pressure of pure water at 15 ^$\circ$ C is 12.8 mm Hg.What is the equilibrium vapor pressure of water above a mixture of 72.0 g ethanol (CH₃CH₂OH,molar mass = 46.07 g/mol) and 22.0 g water?

A) 2.84 mm Hg
B) 5.61 mm Hg
C) 7.19 mm Hg
D) 10.0 mm Hg
E) 12.8 mm Hg