Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapter 5 - Ratio and Proportion - 5.2 Rates - 5.2 Exercises - Page 344: 19


Lower unit cost is $0.206/oz, so the best buy is the 14 oz box of cereal.

Work Step by Step

$\frac{2.49}{12 oz}$ = 0.208/oz $\frac{2.89}{14 oz}$ = 0.206/oz $\frac{3.96}{18 oz}$ = 0.220/oz
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After 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.