Question

Sonia pays $9.99 as a membership fee for a video game service. If she buys the membership and then buys n additional downloadable contents at $5 per downloadable content, which expression best represents the total price she is paying?

9.99n + 5
9.99 + 5n
9.99 + 5(2)
5n = 9.99

Answer 1

9.99+5n
Because 5 is the one being multiplied

Answer 2

The second one which is 9.99 + 5n because if you see in the question. Per downloadable. Which means that she can buy more.
For example:
If she buys 2 of the additional downloadable content
It will be 9.99+5(2)