Problema Solution
Shampoo a is priced at $3.79 for 12oz. Shampoo b is $4.89 for 14.5oz. Which brand is the lower unit cost?
Answer provided by our tutors
Shampoo a priced at $3.79 for 12 oz has a unit cost of: 12/3.79 oz per dollar = 3.15 oz per dollar
Shampoo b is $4.89 for 14.5 oz has a unit cost of: 14.5/4.90 oz per dollar = 2.96 oz per dollar
Brand b has the lower unit cost.