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September 21, 2014

September 21, 2014

Posted by **Anonymous** on Tuesday, October 5, 2010 at 5:49pm.

- algebra -
**Henry**, Wednesday, October 6, 2010 at 6:29pmI = r * Po.

I = Interest earned.

r = Annual percentage rate(APR) expressed as a decimal.

Po = Initial investment.

425.10 = 0.065 * Po,

Po = 425.10 / 0.065 = $6540.

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