Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 2 - Solving Equations - Chapter Review - Page 155: 38


71 ounces

Work Step by Step

The 7 ounce part is already in ounces, so we do not have to worry about that yet. We first, however, need to put 4 pounds into ounces. Thus, we need to do a unit conversion in this problem. There are 16 ounces in a pound. Thus, we obtain: $\frac{4 pounds}{1} \times \frac{16 ounces}{pound} =64$ ounces. Note, we need to cancel out the unit of pounds, so we multiply 4 pounds by a fraction with pounds in the denominator. We add the additional 7 ounces to obtain a total of 71 ounces.
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