 
<translate> Jackson ji anụ dị kilogram 20 x 1 / 4 = 5 mee bọlbọt. O nwere 20 - 5 = 15 kilogram nke anụ fọdụrụ. Ya mere 15 - 3 = 12 kilogram nke anụ ka fọdụrụ. Ya mere azịza ya bụ 12. <eng> Jackson used 20 x 1 / 4 = 5 kilograms of meat to make meatballs. He had 20 - 5 = 15 kilograms of meat left. So 15 - 3 = 12 kilograms of meat are left. So the answer is 12. 