At SaveRite, a 4-ounce carton of juice costs $0.85 and a 16-ounce carton costs $2.70. Which size carton would you buy to pay the least amount per ounce?
you divide by the cost by the amount of ounces per cent and when buying the 4 ounce one is 21 cents per ounce while the 16 ounce one is 16 cents per ounce