Answer:
The sales tax rate is 6% .
Explanation:
As given Juan purchase before sales tax was added totaled 46.00 .
The total including taxe was $48.76.
Tax price = Total cost including tax - cost before sales tax
= $48.76 - $46.00
= $ 2.76
Formula

As given
Here Tax price = $ 2.76
Cost before sales tax = $46.00
Put in the formula


Tax rate = 6 %
Therefore the sales tax rate is 6% .