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Mathematics 17 Online
OpenStudy (anonymous):

Linda takes out a student loan 2 pay for 3yrs of varsity fees.the fees 4 the 1st year are R11 500.the 2nd yr fees r R13 000 nd 3rd yr fees r R14 000.U can assume dat the fees r payable on 1st jan each year. (i) determine the loan amount @ the end of 3rd yr.assume no amount has been repaid during period dat she was studyn.interest is 7;5% p.m

OpenStudy (anonymous):

is it like this \[\large P=1300(1+i)^{36}+11500(1+i)^{24}+14000(1+i)^{12}\]@Hero @ganeshie8

OpenStudy (anonymous):

@ganeshie8@Hero

OpenStudy (anonymous):

@ajprincess

OpenStudy (anonymous):

how do i do this

OpenStudy (anonymous):

\[P=11500(1+i)^{-12}+1300(1+i)^{-24}+14000(1+i)^{-12}\]

ganeshie8 (ganeshie8):

Total amount at the end of 3rd year :- \(\large P=11500(1+i)^{36}+13 0 00(1+i)^{24}+14000(1+i)^{12}\)

ganeshie8 (ganeshie8):

i = .075

ganeshie8 (ganeshie8):

??

OpenStudy (anonymous):

but is that the loan she took out

OpenStudy (anonymous):

or the acculmulated amount

OpenStudy (anonymous):

well at first i thought that is ryt...but when i think of it loan is given by \[P=A(1+i)^{-n}\] we took a loan of P

ganeshie8 (ganeshie8):

accumulated i think the loan amount is just watever the fees is...

ganeshie8 (ganeshie8):

yup ! but here 11500 , 13000, 14000 are Principal amounts she took from bank at those points in time right ? if so, these are to be considered as P. and we need to solve for A above

OpenStudy (anonymous):

correct logic the way i was thinking about it

ganeshie8 (ganeshie8):

why u doing these... these are baby problems for u :|

OpenStudy (anonymous):

lol i am helping my brother in primary...and its the small stuff that help u get the big stuff

ganeshie8 (ganeshie8):

^^ nice :)

ganeshie8 (ganeshie8):

7;5% p.m is very huge i think... it should be p.a, then we may have to divide interest wid compounding intervals

ganeshie8 (ganeshie8):

nvm the question doesnt talk about compounding stuff...

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