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April 1, 2015

Posted by **samuel** on Sunday, June 24, 2012 at 10:33am.

- math -
**Reiny**, Sunday, June 24, 2012 at 11:24amrate = (1.045)^2

= 1.092025

or 9.2025 %

since you want the annual simple interest, the 3 years is irrelevant, all we have to do is look at a 1 year period

- different interpretion - math -
**Reiny**, Sunday, June 24, 2012 at 11:30amlooked at it again....

amount after 3 years at the compound interest

= 1.045^6

= 1.30226

so interest on $1 is .30226

using I = PRT

.30226 = 1(r)(3)

r = .10075

the annual simple interest is 10.075%

check:

Assume we have $100

amount after 3 years using the compound interest

= 300(1.045)^6 = 130.23

amount using simple interest of 10.075%

= 100 + 100(.10075)(3) = 130.23

YEAHHH

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