Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Chapter 4 - Exponential and Logarithmic Functions - Section 4.7 Financial Models - 4.7 Assess Your Understanding - Page 346: 2

Answer

$13\frac{1}{3}\%$.

Work Step by Step

Given $P=5000, I=5500-5000=500, t=\frac{3}{4}\ yr$, we have the interest rate $r=\frac{I}{Pt}=\frac{500}{5000(3/4)}=13\frac{1}{3}\%$.
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