Muffins cost 35.40 for a dozen or 18.72 for half dozen which is better buy

Jan and wayne went to the store to buy some groceries. jan bought 2 cans of corn beef hash and 3 cans of creamed chipped beef for $4.95. wayne bought 3 cans of corn beef hash and 2 cans of creamed chipped beef for $5.45. which assignment of variables can be used in finding the cost of each item in the word problem on the left? j = the number of cans jan bought w = the number of cans wayne bought h = the unit price of corn beef hash c = the unit price of creamed chipped beef j = the total cost of jan’s bill w = the total cost of wayne’s bill