Elementary Technical Mathematics

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

Chapter 1 - Section 1.14 - Rate, Base, and Part - Exercises - Page 84: 27



Work Step by Step

The base is the total amount of oil, 4.5 qt. The part is the amount in the filter, 0.3 qt. The percent is unknown. $R=\frac{P}{B}=\frac{0.3}{4.5}=0.0666\overline6$ To convert the rate to a percent, move the decimal two places to the right. Round to the nearest tenth. $0.0666\overline6\approx6.7\%$
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