Solutions

Liquids A and B form ideal solution over the entire range of composition. At temperature T, equimolar binary solution of liquids A and B has vapour pressure 45 Torr. At the same temperature, a new solution of A and B having mole fractions xA and xB, respectively, has vapour pressure of 22.5 Torr. The value of

xA

xB

in the new solution is _____.
(given that the vapour pressure of pure liquid A is 20 Torr at temperature T)