 <translate> 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. <yor> Jackson lo 20 x 1 / 4 = 5 kìlógíráàmù ẹran láti ṣe àwọn bọ́ọ̀lù ẹran. Ó ní 20 - 5 = 15 kìlógíráàmù ẹran tí ó kù. Nítorí náà 15 - 3 = 12 kílógíráàmù ẹran ni ó kù. Nítorí náà ìdáhùn náà ni 12. 