Question

yes or no to tell whether the expression represents a 20% discount off the price of an item that originally cost d dollars0.8dd-0.2d-0.2d1-0.2d

Answer 1

Discount = 20%

Original price = d

To calculate the discount amount multiply the original price (d) by the discount in decimal form ( divided by 100)

(20/100)d

0.2d