PLEASE HELP ASAP. Thank you for your help! I will upvote!

Engineer CoolAir is working on designing an air conditioning unit that handles the combined air flows from two food processing rooms with the following quantities: 4000 ft/min at 80 F wet bulb and 50% saturated; 3000 ft/min at 70 F dry bulb and 65 F wet bulb temperatures. (a) What is the total mass flow rate? (b) What is the dry bulb temperature? (c) What is the wet bulb temperature? a) What is the total mass flow rate (lb/min)? b) What is the dry bulb temperature (F)? his c) What is the wet bulb temperature (F)