Let us attempt to solve the options to check which one will give the expression

OPTION A:
If Hayden makes 2 bracelets before school and 4 after school daily, then the bracelets she makes daily is gotten by

In 5 days, the number of bracelets will be the expression above multiplied by 5:

If she breaks the total bracelets into 6 groups, this means that we divide the expression above by 6:

This tallies with the expression in the question.
Hence, OPTION A is correct.