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Mathematics 7 Online
OpenStudy (anonymous):

3. You have $2,675.00 on a credit card with a 15.75% APR. You miss your minimum payment and there is a late fee of $29.00. How much is your balance at the beginning of the second month? (1 point) $2,814.31 $2,739.11 $3,125.31 $2,710.11

OpenStudy (dumbcow):

the new balance = old balance + interest + late fee interest is calculated monthly using avg daily balance

OpenStudy (anonymous):

@perl 3125.31?

OpenStudy (anonymous):

@dumbcow

OpenStudy (dumbcow):

formula perl posted will work

OpenStudy (perl):

2675 ( 1 + .1575/12) ^ ( 12 * 1/12) + 29

OpenStudy (perl):

time is in years, and it is 1/12 of a year

OpenStudy (perl):

A = P ( 1 + r/n) ^(n*t)

OpenStudy (perl):

this website says you can just multiply the interest without taking compounding into account https://answers.yahoo.com/question/index?qid=20120503133259AAixwzf

OpenStudy (dumbcow):

to be more exact using daily compounding but its multiple choice so difference wont matter

OpenStudy (perl):

how long is a month in daily compounding (and how long is a year)

OpenStudy (perl):

360 days in a 'bank year' and 30 days in a 'bank month'

OpenStudy (perl):

using daily compounding you'll get a bit more than using monthly compounding,

OpenStudy (perl):

@Buttercup98 you better do the math again

OpenStudy (anonymous):

I already have the answer. But Thanks

OpenStudy (perl):

did you get 2739.1

OpenStudy (dumbcow):

Formula is correct ..... 2739.1 is correct answer after adding late fee

OpenStudy (dumbcow):

\[2675 (1 + \frac{.1575}{360})^{30} + 29 = 2739.10\]

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