10 years ago, Aaron won some money in the lottery and put it in a bank account that earns 4% interest compounded quarterly. If Aaron currently has 300.00 in the bank account, how much interest has he earned?

פתרון

פתרון

Interest : 98.5

צעדי פתרון

Translate the problem into an equation:

300 = 201.49594 \dots + I

300 = 201.49594 \dots + I, I

פתור בשביל:

I = 98.5

Interest : 98.5

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