Yours Truly answers: Let’s use an example to illustrate what is expected of you as you write solutions.
Diane secured a bank loan of $300,000 to help finance the purchase of a loft in the San Francisco Bay area. The term of the mortgage is 30 years and the interest rate is 9% per year compounded monthly on the unpaid balance. What is Diane’s monthly payment? |
(Solution)
If this problem carried 10 points, it would be distributed as indicated.
| Step 1 |
List the values of variables (2 points) |
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P = 300,000, t = 30, r = 0.09, m = 12; i = 0.09/12, n = 360 |
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| Step 2 |
Set up a formula with the values in (4 points) |
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| Step 3 |
Compute the answer (4 point) |
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R = $2413.87 (Diane’s monthly payment) |
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