Given:
Price before tax was $19.99.
To find:
The cost of the two DVDs after the 8.25% tax was added.
Solution:
We have,
Price of two DVDs before tax = $19.99
Rate of tax = 8.25%
Thus,
Tax = 8.25% of price of two DVDs before tax



Now,



Therefore, the cost of 2 DVDs after the tax is $21.64.