Answer
Lower unit cost is $0.061/oz, so the best buy is the 21 oz can of baked beans.
Work Step by Step
$\frac{0.59}{8 oz}$ = 0.074/oz
$\frac{0.99}{16 oz}$ = 0.062/oz
$\frac{1.29}{21 oz}$ = 0.061/oz
$\frac{1.89}{28 oz}$ = 0.068/oz
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.