convert each to a unit rate and compare. For example,
$1.06/10oz = $0.106/oz
and so on
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 $1.06 24 ounces for $2.45
32 ounces for $3.07 34 ounces for $4.01
1 answer