a bookstore employee is given a 20% discount off the retail price of any book. assuming there is no tax, how many dollars does she pay for a book with a retail price of $55?

= $ 49.5

Step-by-step explanation:

We are given;

Discount off retail price is 20% Retail price is $55

Required to determine the amount paid

Taking the retail price as 100%

Then, amount paid will be (100 % - 10%) 90% of the retail price

Therefore;

Amount paid = 90% * $ 55

= 0.9 * $ 55

= $ 49.5

Thus, the employee paid $ 49.5 for the book.