Finite Math and Applied Calculus (6th Edition)

Published by Brooks Cole
ISBN 10: 1133607705
ISBN 13: 978-1-13360-770-0

Chapter 2 - Section 2.1 - Simple Interest - Exercises - Page 132: 10

Answer

$PV=\$ 4,878.05$

Work Step by Step

The future value of an investment of $PV$ dollars at an annual simple interest rate of $r$ for a period of $t$ years is $FV=PV(1+rt)=PV+INT$ . Given: r = 0.$10$ ($ 10\%$ per year), FV= 5,000, t = 0.25 (3 months =$\displaystyle \frac{3}{12}=\frac{1}{4}$ years), we solve $FV=PV(1+rt)$ for PV: (divide both sides by (1+rt) ) $ PV=\displaystyle \frac{FV}{(1+rt)}=\frac{5000}{1+(0.1)\cdot 0.25}\approx$4878.04878049... rounded to the nearest cent: $PV=\$ 4,878.05$
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