Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 6 - Review - Page 459: 14


The 18 oz jar is the better buy.

Work Step by Step

A unit price has 1 in the denominator. $\frac{\$1.49}{18oz}=\frac{\$1.49\div18}{18oz\div18}=\frac{\$0.083}{1oz}$ $\frac{\$2.39}{28oz}=\frac{\$2.39\div28}{28oz\div28}=\frac{\$0.085}{1oz}$ $.083
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