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Mathematics 20 Online
OpenStudy (anonymous):

You have taken an amortized loan at 7.2 percent for 6 years to pay off your new car, which costs $15000. After 2 years of making monthly payments of $257.18, you decide to pay off the loan. Find the unpaid balance. Assume monthly payments. Someone please help me!

OpenStudy (anonymous):

@jim_thompson5910 can you help me?

OpenStudy (anonymous):

is interest compounded?

OpenStudy (anonymous):

doesnt say.

OpenStudy (anonymous):

Lets assum its normal simple interest. How much money have you earned?

OpenStudy (anonymous):

I have no idea lol!

OpenStudy (anonymous):

See...you make $ 257.18 monthly..so in 2 years ull make $ 257.18 x 2 x 12 wont u?

OpenStudy (anonymous):

6172.32

OpenStudy (anonymous):

so is it 8827.68?

OpenStudy (anonymous):

And ur interest is calculated by the formula p x r x t / 100 p=principal=15000 r=rate=7.2 t=time=6 yrs So whats the interst?

OpenStudy (anonymous):

6480

OpenStudy (anonymous):

do I add those two numbers together? so 12652.32 subtracted from 15000?

OpenStudy (anonymous):

Youve already paid 6172.32..you have to pay 15000+6480

OpenStudy (anonymous):

so now find the remaining

OpenStudy (anonymous):

so 15307.68?

OpenStudy (anonymous):

i guess

OpenStudy (anonymous):

lol thanks

OpenStudy (anonymous):

No problem maam

jimthompson5910 (jim_thompson5910):

I agree with the method that him1618 used, but I'm not too sure about the fact that simple interest is used. I'm looking at a formula here, but again, I'm not too sure http://www.vertex42.com/ExcelArticles/amortization-calculation.html My guess is that you solve for P to find the total loan amount

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