6 years ago, Gabby won some money in the lottery and put it in a bank account that earns 10% interest compounded annually. If Gabby currently has 1, 000.00 in the bank account, how much interest has she earned?

פתרון

פתרון

Interest : 435.53

צעדי פתרון

Translate the problem into an equation:

1000 = 564.47393 \dots + I

1000 = 564.47393 \dots + I, I

פתור בשביל:

I = 435.53

Interest : 435.53

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