no explanations please i just need the calculations

The distillation column used for the separation of a mixture of ethanol (E) and water (W) is presented as the flowchart: m2=400 kg/h X 2=0.8 kg Ethanol/kg Xw2=0.2 kg water/kg E2 W2 m XEL XwI mz=600 kg/h XE3=0.4 kg Ethanol/kg Xw3=0.6 kg Water/kg a) Calculate the mass flowrate of stream m and the composition as Xel for ethanol and Xw1 for water (15 pts) b) Convert the units of stream m3 from 600 kg/h to lbm/day (10 pts)