Ineed the answer for 10 and how you got the answers

A. B. 25% discount

Step-by-step explanation:

PART A:

For the shirt:

Sale price of the shirt=$18

Cost of the shirt=$24

Now,

⇒

For the pair of shoes:

Sale price of the pair of shoes=$42

Cost of the pair of shoes=$56

Now,

⇒

So, the equation that represents the sale price y of an item that costs x dollars is:

PART B:

y=Sale price of an item

x=Cost of the item

Discount on the item

Percentage discount on the item×100%