Caden has 4/3 kg of sand which fills 2/3 ​​ of his bucket. How many buckets will 1kg sand fill? I have already finished Calculus II but I go back and practice the basics on Khan Academy. This problem confuses me conceptually every time. I know what the answer is, but I am having a hard time rationalizing the steps. What are the mental steps you take solving this problem? Thanks in advance and please have mercy on me. I am doing this for my own entertainment not for a grade!

As the bucket is filled by $2/3$, a half of its actual content is needed to get it filled completely, that is a half of $4/3$ kg.
