lowell has a credit card that uses the adjusted balance method. for the first 10 days of one of his 30-day billing cycles, his balance was $1360. he then made a purchase for $470, so his balance jumped to $1830, and it remained that amount for the next 10 days. lowell then made a payment of $470, so his balance for the last 10 days of the billing cycle was $1090. if his credit card's APR is 28%, which of these expressions could be used to calculate the amount lowell was changed in interest for the billing cycle?

3 months ago

any idea ?

3 months ago
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