8. A poultry farm has twenty times as many hens as turkeys and three- quarters as many ducks as turkeys. (a) If there are 1 turkeys, write down a simplified expression in fr total number of birds on the farm. (I mark (b) Given that there are 75 ducks, calculate as a percentage the sum of turkeys and ducks to the number of hens on the farm. (3 marks
