Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 9 - Measurement - 9.3 Measuring Weight and Temperature - Exercise Set 9.3 - Page 603: 69



Work Step by Step

$1$ ounce$\approx28$ grams. Thus $85$ grams is between $3$ and $4$ ounces, thus it costs $44$ cents for the first ounce and $3$ times $24$ cents for the second, third ounce and the fraction of the fourth. Thus the total cost is: $44+3\cdot24=116cents=1.16\$$
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