Find each unit price and decide which is the better buy. Round to three decimal places. Assume that we are comparing different sizes of the same brand.
1. Pickles:
$2.79 for 32 ounces
$1.49 for 18 ounces
2. Eggs:
$1.56 for a dozen
$3.69 for a flat (2 1/2 dozen)
3. Shampoo:
20 ounces for $1.89
32 ounces for $3.19
4. Crackers:
20 ounces for $2.39
8 ounces for $0.99