Sar secured a bank loan of $155,000 for the purchase of a house. The mortgage is to be amortized through monthly payments for a term of 15 years, with an interest rate of 3%/year compounded monthly on the unpaid balance. She plans to sell her house in 5 years. How much will Sar still owe on her house? (Round your answer to the nearest cent.) $
Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.
- Sar secured a bank loan of $155,000 for the purchase of a house. The mortgage is to be amortized through monthly payments for a term of 15 years, with an interest rate of 3%/year compounded monthly on the unpaid balance. She plans to sell her house in 5 years. How much will Sar still owe on her house? (Round your answer to the nearest cent.)
$ - Suppose payments were made at the end of each month into an ordinary annuity earning interest at the rate of 3.5%/year compounded monthly. If the future value of the annuity after 15 years is $60,000, what was the size of each payment? (Round nearest cent.)
$ - Drea, a self-employed individual, wishes to accumulate a retirement fund of $800,000. How much should she deposit each month into her retirement account, which pays interest at a rate of 5.5%/year compounded monthly, to reach her goal upon retirement 25 years from now? (Round nearest cent.)
$ - Jes wants to accumulate $14,000 by the end of 5 years in a special bank account, which she had opened for this purpose. To achieve this goal, Jes plans to deposit a fixed sum of money into the account at the end of the month over the 5-year period. If the bank pays interest at the rate of 8% per year compounded monthly, how much does she have to deposit each month into her account? (Round nearest cent.)
$ - What monthly payment is required to amortize a loan of $35,000 over 14 years if interest at the rate of 9%/year is charged on the unpaid balance and interest calculations are made at the end of each month? (Round nearest cent.)
$ - The price of a new car is $20,000. Assume that individual makes a down payment of 25% toward the purchase of the car and secures financing for the balance at the rate of 6%/year compounded monthly. (Round your answers to the nearest cent.)
24 months | $ |
36 months | $ |
(b) What will the interest charges be if she elects the 24-month plan? The 36-month plan?
24-month plan | $ |
36-month plan |
- Find the periodic payment R required to accumulate a sum of S dollars over t years with interest earned at the rate of r%/year compounded m times a year. (Round nearest cent.)
S = 110,000, r = 4.5, t = 30, m = 12
- The Flemings secured a bank loan of $248,000 to help finance the purchase of a house. The bank charges interest at a rate of 2%/year on the unpaid balance, and interest computations are made at the end of each month. The Flemings have agreed to repay the loan in equal monthly installments over 25 years. What should be the size of each repayment if the loan is to be amortized at the end of the term? (Round nearest cent.)
$ - The Sanders are planning to refinance their home. The outstanding principal on their original loan is $120,000 and is now to be amortized in 240 equal monthly installments at an interest rate of 5%/year compounded monthly. The new loan they expect to secure is to be amortized over the same period at an interest rate of 4.2%/year compounded monthly. How much less can they expect to pay over the life of the loan in interest payments by refinancing the loan at this time? (Round nearest cent.)
$ - Find the periodic payment R required to amortize a loan of P dollars over t years with interest charged at the rate of r%/year compounded m times a year. (Round your answer to the nearest cent.)
P = 40,000, r = 3, t = 17, m = 12$
- Find the periodic payment R required to amortize a loan of P dollars over t years with interest charged at the rate of r%/year compounded m times a year. (Round your answer to the nearest cent.)
P = 70,000, r = 3.5, t = 11, m = 2
- Find the accumulated amount after 2 years if $3000 is invested at 4%/year compounded in the following ways. (Round your answers to the nearest cent.)
(a) compounded annually
$
(b) compounded semiannually
$
(c) compounded quarterly
$
(d) compounded monthly
$ - Find the effective rate of interest corresponding to a nominal rate of 8.4%/year compounded in the following ways. (Round your answers to two decimal places.)
(a) compounded annually
%
(b) compounded semiannually
%
(c) compounded quarterly
%
(d) compounded monthly
% - Find the future value of an ordinary annuity of $115/month for 10 years at 3.5%/year compounded monthly. (Round cent.)
$ - Find the payment R needed to accumulate $11,000 with 60 monthly installments over a period of 5 years at an interest rate of 3.7%/year compounded monthly. (Round nearest cent.)
$ - Find the present value of $119,446 due in 3 years at an interest rate of 4%/year compounded continuously. (Round nearest cent.)
$ - Tony invested a sum of money 4 years ago in a savings account that has since paid interest at the rate of 4%/year compounded quarterly. His investment is now worth $26,789.55. How much did he originally invest? (Round your answer to the nearest cent.)
$
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