Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 1 - Unit 1B Review - Page 55: 15


$48\text{ inches}$

Work Step by Step

Use the conversion rate $1 \text{ft} = 12 \text{ inches}$ by multiplying $\frac{12\text{ inches}}{1\text{ ft}}$ to obtain: $\require{cancel} 4\text{ ft} \\= 4\text{ ft} \cdot \frac{12\text{ in}}{1\text{ ft}} \\= 4\cancel{\text{ ft}} \cdot \frac{12\text{ in}}{1\cancel{\text{ ft}}} \\=48\text{ inches}$
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