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Mathematics 19 Online
OpenStudy (anonymous):

I need help asap on finance questions!

OpenStudy (anonymous):

@xapproachesinfinity would you happen to be able to help with finance questions? Dennis and Darla have a 15/6 balloon mortgage for $178,800 with a rate of 3.95%. How much will they pay in interest over the life of the loan?

OpenStudy (xapproachesinfinity):

i would help but some wording are difficult to me what does balloon mean

OpenStudy (anonymous):

balloon is the type of mortgage where you pay a fixed rate and then at the end you pay a large amount to cover the balance? or something along those lines.

OpenStudy (anonymous):

I am not quite sure :/

OpenStudy (anonymous):

Ohhh, hold on.

OpenStudy (xapproachesinfinity):

understanding the problem is half the answer

OpenStudy (anonymous):

So the 15 means that the beginning fixed monthly payments are going to be calculated as if they would be payed off in 15 years. the 6 means that the payments will be made for 6 years.

OpenStudy (anonymous):

I know and i dont exactly understand it so i was looking for some help.

OpenStudy (xapproachesinfinity):

over the life of the loan? how many years would that be

OpenStudy (xapproachesinfinity):

this requires knowing the time

OpenStudy (anonymous):

i believe the time is 6 years

OpenStudy (xapproachesinfinity):

there is no i believe in math

OpenStudy (xapproachesinfinity):

there is only yes or no

OpenStudy (anonymous):

nevermind, its 15. t=15

OpenStudy (xapproachesinfinity):

15 years ?

OpenStudy (anonymous):

yes.

OpenStudy (xapproachesinfinity):

ok, were you given this in the problem

OpenStudy (anonymous):

no, the only thing i am given is what i put up top

OpenStudy (anonymous):

that is why i said I believe, i am not sure how these problems work.

OpenStudy (xapproachesinfinity):

first the principal is P=178800 after a year you will be paying 178800+178800x(3.95/100) if you continue like this 15 years later you will be paying 178800(1+3.95/100)^15

OpenStudy (xapproachesinfinity):

that the total of you pay for mortgage in 15 years period

OpenStudy (xapproachesinfinity):

but i believe you 15/6 means you will pay in 6 years what you would have paid in 15 years

OpenStudy (xapproachesinfinity):

so divide 15/6 what you will pay then becomes 178800(1+3.96/100)^(15/6)

OpenStudy (anonymous):

hmm okay wait, so i divide 15/6? that gives me 2.5

OpenStudy (anonymous):

i dont think i am doing it right, my answer is 196983?

OpenStudy (xapproachesinfinity):

what did you do?

OpenStudy (anonymous):

i plugged that equation into wolfram alpha

OpenStudy (xapproachesinfinity):

seems good now subtract 178800 from that

OpenStudy (anonymous):

I get 178,183

OpenStudy (xapproachesinfinity):

how come?

OpenStudy (xapproachesinfinity):

you made an error

OpenStudy (anonymous):

i just subtracted it..

OpenStudy (anonymous):

oh wait, 18183?

OpenStudy (xapproachesinfinity):

yep

OpenStudy (anonymous):

but that cant be my answer, what do i do next?

OpenStudy (xapproachesinfinity):

you have answer choices?

OpenStudy (anonymous):

Yes, the correct answer was 36,132.26.

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