Any open a savings account and deposited $10 if the balance in her account doubles each month what is the account balance after four months

First month = $10 x 2
= $20
Second month = $20 x 2
= $40
Third month = $40 x 2
= $80
Fourth month = $80 x 2
= $160

Amy will have $160 balanced in her account after four months.

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