# Tagged Questions

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### Mortgage bond monthly repayment

I was given the following question: A mortgage bond of 280000 is taken out on a house at a rate of 19.25% p.a., compounded monthly over 25 years. Question: Calculate the monthly payment ...
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### Pay back loan with an annual withdraw

I was given question 7b as homework: I am guessing that there are numerous ways of approaching this. The one method I have tried was to calculate the effective interest year for the year. Then ...
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### Need help with excel spreadsheet! [closed]

So I am currently doing an assignment in which I have bought a house using a home-loan. For this part of the question I need to calculate how long it will take to repay the loan. So I have constructed ...
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### How do i solve this to find PMT?

I know this may seem like a stupid question but i've been up late working on this math assignment and this question just isn't working when i transpose it. So this is the formula to find Present ...
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### Calculate Interest

Peeta is saving to buy a new oven for his bakery that will cost \$8000. He has \$6,000 to invest at $5 \frac{1}{2} \%$ compounded semi-annually. How long will he need to wait for until he can afford ...
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### perpetuity valuation

A perpetuity paying 1 every 6 months has present value of 20. A perpetuity paying X every 2 years has the same present value. Assuming equal effective annual rates, what is X? I know X is 3.71 from ...
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### How can I calculate in Excel the price of something with inflation

I live in Argentina, and we have 30% anual rate of inflation. I am paying a car also, in a plan of 84 payments. Each payment has a 27.7% of "Administrative Costs". For example, for a ...
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### Compounding interest + continuing eposit

If i deposit $3,000$ dollars every year for $10$ years, with an annual compound of $10 \%$ return, what is the formula that I would use to figure this out? I can't wrap my head around this. I have ...
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### [solved]Compound interest problem

I must admit this is my homework, but I have tried to solve it from many different angles but I can't solve it. The problem is as follows: A person has a 500 dollar debt to be paid in 3 years at an ...
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### solving apr using binary chop

I need to calculate apr in the uk using this formula http://en.m.wikipedia.org/wiki/Annual_percentage_rate#European_Union Ive been advised to try the binary chop method but I have no idea how to do ...
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### Finding Revenue Function and Max Revenue

Studying for a midterm. The demand function for a manufacture's product is $p=1000-\frac1{80} q$ Where $p$ is the price (in dollars) per unit when $q$ units are demanded (per week) by consumers. ...
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### Outstanding part-way balance for loan compounded quarterly

A loan of $R65000$ with an interest of $16\%$ per annum, compounded quarterly, is to be amortized by equal quarterly payments over $3$ years. Question: What is the outstanding amount on the loan at ...
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### Accrued interest

I know how to calculate accrued interest over time on an initial amount. However, my assignment has me artificially adding additional sums intermittently. I'm curious if there is a formula to do that. ...
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### Paying less interest rate in credit card

I think I've found a way to pay off my credit cards faster, and therefore paying less interest rate. There's a Google Spreadsheet with my work at http://goo.gl/NqliZM My question What payment ...
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### How to split the rent if two roommates live there from the beginning and a third one joins in the middle of the month?

I've been thinking over it and I can't figure it out. Consider the rent of the house is $X$. Now there are two roommates from the beginning and a third one joins in the middle of the month. Now ...
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I want a new car which costs $\$26.000$. But there's an offer to finance the car: Immediate prepayment:$25\%$of the original price The amount left is financed with a loan: Duration:$5$years, ... 1answer 173 views ### if you invest$ 500 at 6 % compounded annually,

Please help me with this problem. It needs to be done in the same format as below if you invest $500$ dollars at $6$ percent compounded annually, how many years to the nearest tenth would it take your ...
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### What is the formula for the difference between CI and SI?

if principal, time and rate are given how do i find the difference between Compound interest and Simple Interest? P=12,000 n=1 and a 1/2 yrs. R=10% per year ...
I have a loan for a principal amount of \$117,000.00 at 9.75% interest and a total amount due (including the interest for 84 months) of \$191,805.60. I had 84 months to pay it off, or I could pay it ...