santosberlin santosberlin 13-04-2018 Mathematics contestada A grocery store sells four different jars of peanut butter. Determine which is the best buy, based on the cost per unit. 10 ounces for $0.91 24 ounces for $2.76 30 ounces for $3.24 40 ounces for $4.20 Which size jar is the best buy?
