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Mathematics 7 Online
OpenStudy (anonymous):

Find the final balance in an account with $730 invested at 3% annual simple interest for 4 years. $735.48 $87.60 $817.60 $8,760.00 Thanks ;D!

OpenStudy (anonymous):

Simple interest is I=PRT

OpenStudy (anonymous):

Final balance is P+I

OpenStudy (anonymous):

what does p stand for :o

OpenStudy (anonymous):

part right?

OpenStudy (anonymous):

P is 'principal' the original amount invested.

OpenStudy (anonymous):

I is 'interest earned' R is 'interest rate' T is 'time'

OpenStudy (anonymous):

730 + 3% ?

OpenStudy (anonymous):

No, final amount = 730 + 730×3%×4 P+PRT

OpenStudy (anonymous):

=P(1+RT)

OpenStudy (anonymous):

817.6 ?

OpenStudy (anonymous):

That looks pretty accurate.

OpenStudy (anonymous):

so the answer is C right :D?

OpenStudy (anonymous):

I don't know. I don't look at multiple choice options.

OpenStudy (anonymous):

$735.48 $87.60 $817.60 $8,760.00

OpenStudy (anonymous):

:P

OpenStudy (anonymous):

If you know the correct answer, then you know what to pick.

OpenStudy (anonymous):

xD

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