Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10:
ISBN 13:

Chapter 5 - Ratio and Proportion - 5.2 Rates - 5.2 Exercises - Page 344: 22

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
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