Posted by Anonymous on Monday, May 2, 2011 at 1:03pm.
A couple purchasing a home budget $1700 per month for their loan payment. If they have $15,000 available for a down payment and are considering a 25-year loan, how much can they spend on the home at each of the following rates? (Round your answers to the nearest cent.)
(a) 6.9% compounded monthly
(b) 7.1% compounded monthly
- math plz help me - MathMate, Monday, May 2, 2011 at 4:45pm
The $15,000 can be added at the end to the total purchase price, but does not affect the mortgage calculations.
The formula for the mortgage calculations is:
P(1+i)^n = R((1+i)^n-1)/i
i=interest rate per period (month)
n=number of periods (months)
P=amount to borrow
(a) at 6.9% p.a.,
n=12*25 years = 300 months
R=$1700 = monthly payment
Solve for P
Add the down-payment of $15000 to get
$257,714.03 for the total purchase price.
I'll leave (b) for your exercise.
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