Caroline, an employee of hollister, bought a sweater originally priced at $55 for $38.50 after her employee discount. what percent off is the employee discount?

The employee discount is 30% off. Here's the process to find this

Calculate the difference between the original price and the discounted price. We're trying to find the percentage of the discount, not the percentage 38.50 is of 55.
55 - 38.5 = 16.5
Multiply the difference by 100 as part of the percentage formula. (is over of is equal to the percentage over one hundred)
16.5 * 100 = 1,650
Divide your result by 55 as the final part of the percentage formula.
1,650 / 55 = 30

Delta airlines or untied