Answer:
30 percent off is the employee discount.
Explanation:
Given:
Mahin bought a sweater that normally costs $55. She only paid $38.50 after applying the employee discount.
Now, to find out the percent off in the employee discount.
So, we need to get the amount of discount:
Discount =
=

So, the amount of discount is $16.50.
Now, we get the percentage of the amount of discount:



So, the discount is 30%.
Therefore, 30 percent off is the employee discount.