The gift shop has a sale on Statue of Liberty snow globes. Ms. Kent is thinking about getting a snow globe for each of her students and some of her friends. The regular price of the snow globes is $6 each. Ms. Kent asks her students to write an expression for the total cost, not including sales tax, of 28 snow globes with this sale. Four students write the following expressions: Alejandro: 1 2 ( 28 ) ( 6 ) Leah: 1 2 ( 28 ) ( 6 ) + 1 2 ( 28 ) ( 1 2 ) ( 6 ) Meghan: 28 [ 6 + 1 2 ( 6 ) ] Kevin: 1 2 ( 28 ) [ 6 + 1 2 ( 6 ) ] Two students’ expressions are correct. Which two students wrote a correct expression for the total cost? Explain how you know.