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Mathematics, 03.02.2020 11:42 SamaraP

Annette has a credit card that uses the previous balance method. the
opening balance of one of her 30-day billing cycles was $2990, but that was
her balance for only the first 7 days of the billing cycle, because she then paid
off her entire balance and didn't make any new purchases. if her credit card's
apr is 31%, which of these expressions could be used to calculate the
amount annette was charged in interest for the billing cycle?


Annette has a credit card that uses the previous balance method. the opening balance of one of

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Annette has a credit card that uses the previous balance method. the
opening balance of one of...
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