(ii) How much was the net profit? (b) On another day, the minibus was 80% full on the average for the three round trips, how much did each businessman get if the day's profit was shared in the ratio 2:3? 4. Wainaina has two dairy farms, A and B. Farm A produces milk with 3 14 percent fat and farm B produces milk with 4 44 percent fat. (a) Determine (1) The total mass of milk fat in 50 kg of milk from farm A and 30 kg of milk from farm B (ii) The percentage of fat in a mixture of 50kg of milk A and 30kg of milk from B (b) The range of values of mass of milk from farm B that must be used in a 50kg mixture so that the mixture may have at least 4 percent fat.