Question

An item costs `x` dollars and then a 20% discount is applied. ----------------------------------- b) Sam says that 20/100x` will not work. Do

Answer 1

Explanation:

Cost of item = x

Percentage discount = 20%

Discount on item :

20% * x

20/100 * x

0.2x

Cost of item after discount :

Initial cost - discount

x - 0.2x

0.8x