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Mathematics 11 Online
OpenStudy (anonymous):

find the interest rate paid if a deposit of 21,900.00 grows to 27,822.92 in 3 1/2 years with interest compounded semiannually round rate to nearest % and time to the nearest period

OpenStudy (nottim):

do you know the formula? Cause I think this is just plug and play

OpenStudy (anonymous):

thats how it is in the book i have the calculater but dnt know how to put the numbers in right i think N=7 but thats all i got

OpenStudy (slaaibak):

A = P(1 + i(2) / 2)^7

OpenStudy (slaaibak):

PV = 21 900.00 FV = 27 822.92 N = 7

OpenStudy (nottim):

yup. just basic algebra here!

OpenStudy (anonymous):

but what is pmt

OpenStudy (nottim):

pmt?

OpenStudy (anonymous):

what is I%

OpenStudy (anonymous):

27??

OpenStudy (slaaibak):

pmt = payment = 0

OpenStudy (slaaibak):

payments refer to annuities. This is a regular PV-FV question, so there are no payments. Which calculator do you have? HP12c or HP 10B2?

OpenStudy (anonymous):

TI 84

OpenStudy (slaaibak):

Ah, unfortunately I've never worked on a ti calculator, so won't be able to help with calculator related problems.

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