Why does setting the table width to 100% make the the first column wider than the second one?

Question

Edit:
Why does setting the table width to 100% cause the first cell to be that wide?
https://code.sololearn.com/Wfop7kviaKQ6/?ref=app

Answer 1

FOR FIXED :
If no widths are present on the first row, the column widths are divided equally across the table, regardless of content inside the cells.