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: 20



Work Step by Step

The rate is unknown. The base is $\frac{1}{8}$, the number following "of". The part is the other number, $\frac{1}{15}$. $R=\frac{P}{B}=\frac{\frac{1}{15}}{\frac{1}{8}}=\frac{1}{15}\times8=\frac{8}{15}=0.5\overline3$ Move the decimal two places to the right to convert the decimal to a percent. Round to the nearest tenth. $0.5\overline3\approx53.3\%$
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