Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapter 6 - Percent - 6.4 Using Proportions to Solve Percent Problems - 6.4 Exercises - Page 421: 68


The amount of the investment is $150,000.

Work Step by Step

The part is 12,750. The percnt is 8.5%. The whole is unknown. $\frac{12750}{x} = \frac{8.5}{100}$ $8.5x = 12750\times100$ $\frac{8.5x}{8.5} = \frac{1275000}{8.5}$ $x = $150000$
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