 
<translate> Johannes ya iya sayar da $30 / $2 = kilogiram 15 a ranar Laraba da ta gabata. Ya sami damar sayar da $24 / $2 = kilogiram 12 a ranar Juma'ar da ta gabata. Kuma ya iya sayar da $42 / $2 = kilo 21 a yau. Saboda haka, Johannes ya sami damar sayar da 15 + 12 + 21 = 48 kilogram na kabeji. Saboda haka, amsar ita ce 48. <eng> 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. 