Which shows a correct order to solve this story problem?

marcy and raquel went to the amusement park. they spent $45.22 on 2 admission tickets, and $33.50 altogether for food. they paid a total of $6.30 in sales tax. they each paid an equal share. how much did each girl pay?

a.
step 1: add the price of the tickets and the amount spent on food.
step 2: divide that total by 2.
step 3: add the amount of the tax.

b.
step 1: double the amount spent on food.
step 2: add the price of the tickets and the tax to the total from step 1.
step 3: divide the total by 2.

c.
step 1: add the price of the tickets and the amount spent on food.
step 2: add the amount of the tax.
step 3: divide that total by 2.