Question

Wal-Mart has two sizes of shampoo boles in stock. The 16 fl oz. Cost $6.19 and the 13.5 fl oz. Cost $ 3.99. Which size is the beer buy? Round to the nearest cent.

Answer 1

Shampoo one is a better buy

Explanation:

Step one:

given data

The 16 fl oz. Cost $6.19 and

The 13.5 fl oz. Cost $ 3.99

Required

The better buy/ unit cost

Step two:

shampoo one

unit cost = 16/6.19

=$2.58 per fl oz

shampoo two

unit cost = 13.5/3.99

=$3.38 per fl oz