Answer:
B.

D.

Explanation:
Let d represent the original price paid for the game.
We have been given that a local buys used video games. For each game bought, they will pay $18 less than the original price paid for the game.
The price of used video game would be original price minus 18. We can represent this information in an expression as:

We have been given that Jordan sold n games, so the cost of n used games would be
.
Using distributive property we will get,

Therefore, option B and D are correct choices.