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: 18

Answer

49.0%

Work Step by Step

The rate is unknown. The base is 7.15, the number following "of". The part is the other number, 3.5. $R=\frac{P}{B}=\frac{3.5}{7.15}=0.4895$ Move the decimal two places to the right convert the decimal to a percent. Round to the nearest tenth. $0.4895\approx49.0\%$
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