Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter R - Review of Basic Concepts - R.5 Rational Expressions - R.5 Exercises - Page 55: 91



Work Step by Step

To solve this problem, use the given equation, where x represents the percent: y = \frac{6.7x}{100 - x} Since x = 75, or 75 percent, substitute 75 for x in the equation, and solve. y = \frac{6.7(75)}{100 - 75} =\frac{502.5}{25} = 20.1 Next, convert 20.1 into thousands of dollars by multiplying it by 1000. 20.1(1000) = 20100. Therefore, the answer is $20,100.
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