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Mathematics 13 Online
OpenStudy (anonymous):

I know this is starting to get annoying, but im almost done!!!!! Walter opens a credit card with an APR of 24.99% compounded monthly. How much is charged in interest this month if his balance is $1,105?

OpenStudy (anonymous):

@jim_thompson5910 hola

jimthompson5910 (jim_thompson5910):

24.99% compounded monthly means the monthly interest rate is _____

OpenStudy (anonymous):

IDK :D 12?

jimthompson5910 (jim_thompson5910):

you divide the APR by 12 to convert over to the monthly interest rate

OpenStudy (anonymous):

.020825 BOOM

jimthompson5910 (jim_thompson5910):

then you multiply that by the balance

jimthompson5910 (jim_thompson5910):

balance = principal (ie amount you owe)

OpenStudy (anonymous):

23.01!!!!! BOOOOOOOOOOOOM!!!

jimthompson5910 (jim_thompson5910):

good

OpenStudy (anonymous):

yay, another medal! :D makes me happy

jimthompson5910 (jim_thompson5910):

lol

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