Prealgebra (7th Edition)

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

Chapter 6 - Review - Page 459: 13


The 8oz bottle is the better buy.

Work Step by Step

A unit rate has 1 in the denominator. $\frac{\$0.99}{8oz}=\frac{\$0.99\div8}{8oz\div8}=\frac{\$0.124}{1oz}$ $\frac{\$1.69}{12oz}=\frac{\$1.69\div12}{12oz\div12}=\frac{\$0.141}{1oz}$ $0.124\lt0.141$
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