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13-04-2018
Mathematics

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kathleen deposit $20 into her account that earns 2.5% interest that is compound twice a year. How much money will kathleen have in her account in 30 years?

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juzellynch juzellynch

13-04-2018

Present value, P = 20
compounding interest per 6 months, interest = 0.025/2 = 0.0125
Number of periods, n = 30*2 = 60 (half-years)

Future value in 30 years
=P(1+interest)^n
=20(1.0125)^60
= $42.14

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