Question

Select all the expressions below which represent a 20% discount off the price of an item that originally costs d dollars.

A. 0.8d
B. d-0.2
C. d-0.2d
D. 1-0.2d​

Answer 1

A - 0.8d

multiply the item (d) times 80% (which shows a 20% discount since 100%-20%=80%). Convert 80% to a decimal = .8

therefore, 0.8d