A teacher asked four of her students to write an expression for the problem below. All products in a store are being discounted
by 25 % . Let x be the original price of a product in the store. What is the sale price of that product in the store? Their responses are show below: Joseph: 0.75 x Thomas: 1.25 x Sandra: x − 0.25 x Angela: x + 0.25 x Whose response is correct
