1. You have 0.800kg fresh cuttlefish. Waste and bones are 57%. What is the net yield expressed in kg?__________
2. When filleting a Dover sole weighing 750g you obtain 405g cleaned fillets. What is the wastage of skin and bones expressed in %?__________
3. The net yield for a cleaned Octopus is 0.560kg. The waste accounts for 30%. What was the original purchase weight of the octopus? __________