Air at 40 F (5 C) db and 35 F (2 C) wb is mixed with warm air at 100 F

Air at 40 F (5 C) db and 35 F (2 C) wb is mixed with warm air at 100 F (38 C) db and 77 F
(25 C) wb in the ratio of 2000 cfm cool air to 1000 cfm warm air. Find the resulting humidity
ratio and enthalpy using psychrometric Chart 1a on the basis of volume flow rates