Find the average number of bags sold by shop A, B, D and E together.
Number of bags sold by shop A = 5000 x (20/100) = 1000 Number of bags sold by shop B = 5000 x (15/100) = 750 Number of bags sold by shop D = 5000 x (25/100) = 1250 Number of bags sold by shop E = 5000 x (12/100) = 600 Required average = 3600/4 = 900