 <translate> Johannes was able to sell $30 / $2 = 15 kilograms last Wednesday. He was able to sell $24 / $2 = 12 kilograms last Friday. And he was able to sell $42 / $2 = 21 kilograms today. Therefore, Johannes was able to sell is 15 + 12 + 21 = 48 kilograms of cabbage.
Therefore, the answer is 48. <yor> Ní ọjọ́ Wednesday tó kọjá, ó ṣeé ṣe fún Johannes láti ta ọjà náà ní $30 / $2 = 15 kìlógíráàmù. Ó ta $24 / $2 = 12 kílógíráàmù ní Friday tó kọjá. Ó sì ta $42 / $2 = 21 kílógíráàmù lónìí Nítorí náà, Johannes lè ta 15 + 12 + 21 = 48 kìlógíráàmù eso kabeeji. Nítorí náà, ìdáhùn náà ni 48. 