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Mathematics 19 Online
OpenStudy (anonymous):

Barbara opens a credit card with an APR of 19.99%. How much is charged in interest this month if her balance is $1250?

OpenStudy (anonymous):

"APR "?

OpenStudy (anonymous):

annual percentage rate

OpenStudy (anonymous):

I = P x r x t/100 where I = Simple Interest P= principal r= rate t=time The formula is I=PRT P=principal,the money deposited or taken out. R=rate,the percent intrest T=time,the time elapsed or the daily basis

OpenStudy (anonymous):

i think the want u to find the principal

OpenStudy (anonymous):

though not sure

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