The other answer is incorrect. You should first divide 72 by 3, because Max has one share, and Tom has two. 72÷3 is 24, which is how many Max has. Two times 24 is 48, and so Tom has 48. Your final answer is 48.
You would use a table to keep track of a distribution of data. You would have to wait for such data to occur. You could use tally marks to keep track to the data.