Incoming air flow of 200 m3/h at a temperature of 20?C and ahumidity ratio of 0.

Incoming air flow of 200 m3/h at a temperature of 20?C and ahumidity ratio of 0.012 kgv/kga is mixed in a chamber with anotherincoming air flow of 500 m3/h at a temperature of 15?C and ahumidity ratio of 0.008 kgv/kga. Based on the corresponding massflow rates