Elementary Technical Mathematics

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

Chapter 1 - Unit 1B Review - Page 55: 18


$5\text{ gallons}$

Work Step by Step

Use the conversion rate $1 \text{gallon} = 4\text{ quarts}$ by multiplying $\frac{1\text{ gallon}}{4\text{ quarts}}$ to obtain: $\require{cancel} 20\text{ quarts} \\= 20\text{ quarts} \cdot \frac{1\text{ gallon}}{4\text{ quarts}} \\= \cancel{20\text{ quarts}}^5 \cdot \frac{1\text{ gallon}}{\cancel{4\text{ quarts}}} \\=5\text{ gallons}$
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