# A=P(1+r)^2 A= interest P= principle interest r= interest rate t= time in years If \$4500 invested at 7% interest compounded annually yeilds \$15600, for how many years was the money invested?

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1. ## Math

A=P(1+r)^2 A= interest P= principle interest r= interest rate t= time in years If \$4500 invested at 7% interest compounded annually yeilds \$15600, for how many years was the money invested?
2. ## Math

Please check my work, thank you If \$7,800 is deposited into an account paying 6% interest compounded annually (at the end of each year), how much money is in the account after 2 years? A=\$8,268.00 Rewrite the statement, using percent notation. Out of every
3. ## Plz Hel, word problem:)

I have tried hard to solve, but I'm stuck.... Let’s use our knowledge of quadrantic equations to analyze a real world business application. If P dollars is invested at r rate of interest compounded anually t years, then the amount of money, A,
4. ## Compound interest

Hello My teacher skipped over this and I have no clue how to do this or the equations. Help would be wonderful thank you If 6000 dollars is invested in a bank account at an interest rate of 10 per cent per year, find the amount in the bank after 15 years
5. ## Algebra( check my answers)

1. Juan deposited \$200 in a savings account earning 3% interest over 2 years. What was the total amount of interest earned after 2 years? \$12 \$24 \$120 ( my answer) \$240 2. Mary borrowed \$11,000 at 5% interest for 4 years. What was the total interest? \$22

If 7000 dollars is invested in a bank account at an interest rate of 7 per cent per year. A) Find the amount in the bank after 6 years if interest is compounded annually? B) Find the amount in the bank after 6 years if interest is compounded quaterly? C)
7. ## Algebra

Greta invests \$10,000 in an investment that pays 3% interest, compounded annually, for the first three years, then 9% interest, compounded annually, for the last three years. Rui invests \$10,000 in an investment that pays r% for all six years. The two
8. ## Math

If 3000 dollars is invested in a bank account at an interest rate of 6 per cent per year, find the amount in the bank after 12 years if interest is compounded annually Find the amount in the bank after 12 years if interest is compounded quaterly Find the
9. ## algebra

A total of \$12,000 is invested in two funds paying 9% and 11% simple interest. If the yearly interest is \$1,180, how much of the \$12,000 is invested at each rate? We have two unknowns: the amount of money invested at 9% and the amount of money invested at
10. ## Calculus :)

If 8000 dollars is invested in a bank account at an interest rate of 10 per cent per year, find the amount in the bank after 11 years if interest is compounded annually ____ Find the amount in the bank after 11 years if interest is compounded quaterly ____

A total of 8,000 dollars is invested at anunual interest rate of 1%. Find the balance after 1.5 years, if the interest is compounded annually. using A=p(1+r/n)^nt
12. ## MATH HELP ASAP!

Randee invested \$1000 for college in an account earning 5% simple interest. When she withdrew the investment, she had earned a total of \$550 in interest. How long was the money invested? A 9 years B 10 years C 11 years D 12 years
13. ## Math

Constance invested \$4500 for 3 years in a savings account paying simple interest with a yearly interest rate of 3.5%. How much simple interest did she earn? Please show your work :)
14. ## math algebra

Terry Edwards invested \$3000 for two years, part at 3.5% simple interest and the rest at 2.5% simple interest. After two years she earned a total interest of \$190. How much was invested at each rate?
15. ## Financial Math

An investment of \$2500 accumulates at 6% p.a compounded semi annually for 3 years. At that time, the interest rate is changed to 5% compounded monthly. How much is the investment worth 2 years after the change in interest rate? What is interest gained at
16. ## Math: Compounded Interest

A principal of \$200 is invested at 5% interest rate annually. Determine the future value in 3 months' time if compounded: (a) Semi-annually (b) Quarterly
17. ## simple interest and compund interest.

1) What is the final amount when \$3000 is invested at 3% per year simple interest for? Show all steps. The formula is A=P(1+rt) 2) What amount must be invested at an interest rate of 5% per year compounded monthly to obtain \$15000 in 6 years? Show all
18. ## math

Yumi's grandparents presented her with a gift of \$11,000 when she was 8 years old to be used for her college education. Over the next 9 years, until she turned 17, Yumi's parents had invested her money in a tax-free account that had yielded interest at the
19. ## Calculus :)

If 8000 dollars is invested in a bank account at an interest rate of 10 per cent per year, find the amount in the bank after 11 years if interest is compounded annually ____ Find the amount in the bank after 11 years if interest is compounded monthly ____
20. ## algebra

Compound interest word problem. Suppose JJ has \$1000 that he invests in an account that pays 3.5% interest compounded quarterly. How much money does JJ have at the end of 5 years? Formula: A= The amount of money earned after a certain length of time. P=
21. ## Math

Mary B deposits \$8500 into a savings account, compounded monthly at a nominal interest rate of 9 percent, as part of a savings plan that she would like to undertake in 5 years. 1) What is the effective interest rate per annum? 2) How much money would she
22. ## math

Barry heard in his Personal Finance class that he should start investing as soon as possible. He had always thought that it would be smart to start investing after he finishes college and his salary is high enough to pay the bills and to have money left
23. ## maths

If an amount of Rs 10,000/- is invested at a simple interest of 12% per annum, how much it will become at the end of 5 years ? And if this amount is invested at a compound interest of 10% per annum (the interest being compounded on yearly basis), how much
24. ## math

If 3000 dollars is invested in a bank account at an interest rate of 9 per cent per year, find the amount in the bank after 5 years if interest is compounded annually
25. ## math,algebra

Is this correct Business and finance. The simples interest I on a principle of P dollars at interest rate r for time t, in years, is given by I= Prt. Find the simple interest on a principal of \$6000 at 3% for 2 years. Simple Interest = Principle x Rate x
26. ## Algebra Question~!

A company invests \$15,000.00 in an account that compounds interest annually. After two years, the account is worth \$16,099.44. Use the function in which r is the annual interest rate, P is the principle, and A is the amount of money after t years. What is
27. ## math

A student invests two sums of money at 3% and 4% interest, receiving a total of \$110 in interest after 1 year. Twice as much money is invested at 4% than at 3%. Find the amount invested at each interest rate. Where do I even begin with this?
28. ## math

An amount of money is invested at 12%/a interest. Write an equation and solve it to determine the length of time it will take for the original amouunt to double if the interest is compounded annually.
29. ## MATH HELP

\$1000 invested at an APR of 9% for 9 years. If interest is compounded annually, what is the amount of money after nine years?
30. ## NEED HELP MATH HELP

\$3000 invested at an APR of 5% for 7 years. If interest is compounded annually , what is the amount of money after 7 years?
31. ## NEED MATH HELP

\$3000 invested at an APR of 5% for 7 years. If interest is compounded annually , what is the amount of money after 7 years?
32. ## HELP ME MATH PLEASE

\$1000 invested at an APR of 9% for 9 years. If interest is compounded annually, what is the amount of money after nine years?
33. ## NEED HELP MATH HELP

\$3000 invested at an APR of 5% for 7 years. If interest is compounded annually , what is the amount of money after 7 years?

\$9000 invested at an APR of 9% for five years. In interest is compounded annually, what Ia the amount of money after 5 years?
35. ## Math

Money invested in compound interest amount to rs 27783 in 3 years and rs 26460 in 2 years what is the rate percent of interest ?
36. ## Business Math and Statistics

You deposit \$1,000 for 4 years at an interest rate of 2.0%. If the interest is compounded annually, how much money do you have after 4 years?
37. ## Finite Math

Find (a) the final amounts and (b) the total interest earned on the original investment. 1. \$4500 is invested at 7.5% compounded annually for 6 years.
38. ## compounded interest

calculate the future value of an investment of \$8,500 if it is to be invested for 9 years at an interest rate of 6.1%, compounded quarterly.
39. ## Math

Your Aunt will give your \$1,ooo if you invest it for 10 years in an account that pays 20% interest compounded annually. That is, at the end end of each year your interest will be added to your account and invested at 20%. What will your account be worth at
40. ## math

the total amount of interest on this loan of \$6000 for 150 days is \$210.50. what is the rate of interest on this loan? If not compounded, or simple interest, then Interest=Principal(rateinterest)*time Here time is 5/12 of a year, you are given the interest
41. ## math/compound

Calculate the interest earned on an investment of 2500 invested at an interest rate of 6.15%/a compounded quarterly for 10 years.
42. ## Math

Larry has an annual return of \$213.00 from \$3000.00 invested at simple interest. One at 5% and the other at 8%. How much is invested at each rate. (Hint, Interest earned = amount invested x rate of interest.)
43. ## math

a sum of Rs.8000 generates Rs.1261 as compounded interest in 03 years interest compounded annually. The rate of compound interest is
44. ## algebra

when P dollars is invested at interest rate (I), compounded annually, for (t) years, the investment grows to (A) dollars, where A=P(1+I)^3. Find the interest rate if \$40,960 grows to \$49,130 in 3 yrs.
45. ## Finance

Find the future value of \$10,000 invested now after five years if the annual interest rate is 8 percent. a. What would be the future value if the interest rate is a simple interest rate? b. What would be the future value if the interest rate is a compound
46. ## help!!

An investment banker received a bonus and invested that money in two investments. He put a certain sum of money in the first investment that returned 7% interest after one year. In the second investment he invested four times that of the first investment
47. ## Maths

£2000 is invested at x% interest over three years. At the end of three years the money has grown to £2963. To the nearest percentage find the rate of interest. If you could help me out I would greatly appreciate it. I've tried to figure it out numerous
48. ## Maths

1.The value of an investment grows from R2200 to R3850 in 8 years. Determine the simple interest rate at which it was Invested. 2. James had R12000 and invested it for 5 years.If the value of his investment is R15600, what compound interest rate did it
49. ## Maths urgent

a sum of money is invested for 3 years at a certain rate of interest. had the rate of interest been 1% more, it would have fetched rs 18 more than before. find the sum invested?
50. ## math

how long will it take to earn \$787.50 on \$5000 at 5 1/4%(percent) what is the rate it is compounded? annually, semi-annually, monthly, what? dat information is not given aren't you supposed to be using the interest rate formula? if so, then u have two
51. ## Compounded Interest

) An investment of \$37,000 was deposited in the bank. Interest was computed on a semiannual basis and was kept there for 10 years. If the maturity value of this investment is \$74,000, at what interest rate was it invested?
52. ## Algebra

Need help with these 2 please-- 19. Nancy invests \$100 in one account for 10 years at a 9% interest rate compounded annually, and she invests \$150 in an account for 10 years at a 6% interest rate compounded semi-annually. How much money will she have in
53. ## Algebra

Need help with these 2 please-- 19. Nancy invests \$100 in one account for 10 years at a 9% interest rate compounded annually, and she invests \$150 in an account for 10 years at a 6% interest rate compounded semi-annually. How much money will she have in
54. ## MATH

Tiffany invested \$725 at the end of every month in an investment fund that was earning interest at a rate of 4.74% compounded monthly. She stopped making regular deposits at the end of 10 years when the interest rate changed to 6.69% compounded quarterly.
55. ## Algebra II

An investment service promises to triple your money in 12 years. Assuming continuous compounding of interest, what rate of interest is needed? For the question is it asking me if simple interest or continuously compounded interest is needed? Or Is it
56. ## easy geometry

Can you please show you solution and final answer here. Thanks! 1.Find the altitude,perimeter and area of an isosceles trapezoid whose sides have lengths 10 cm, 20 cm, 10 cm and 30 cm. 2. The formula A=P(a+r)^2 is used to find the amount of money A in an
57. ## anonymous

1.) an account invested in a month market fund grew from \$67,081.20 to \$67,359.39 in a month. What was the interest rate, to the nearest tenth? 2.)you are due a tax refund of \$760. your tax preparer offers you a no-interest loan to be repaid by your refund
58. ## math

sam invested \$5000 in a GIC earning 8% compound interest per year, the interest gets added to the amount invested, so the next year sam gets the interest on the interest already earned , as well as on te original amoun, how much will sam's investment be
59. ## Math-- Desperate for help!

Find the amount in an account if \$2000 is invested at 6.125%,compounded semi-anually,for 2 years. A. \$2,256.49 B. \$2,252.50 C. \$2,324.89 D. \$544,757.84 One of these is the correct answer. I am coming up with (D) 544,757.84 Can you check, because I am
60. ## math

when invested at an annual interest rate of 4.7% an account earned 1290.33 of simple interest in 3 years how much money was originally invensted
61. ## Algebra

Show how you substitute the values into the formula, then use your calculator. *Use A = P(1+r/n)nt to find the amount of money in an account after t years, compounded n times per year. *Use I = Prt to find the amount of simple interest earned after t years
62. ## algebra

Solve the problem. Helen Weller invested \$15,000 in an account that pays 12% simple interest. How much additional money must be invested in an account that pays 15% simple interest so that the total interest is equal to the interest on the two investments
63. ## math

At the beginning of every year, a man deposited \$ 10,000 in a financial institution which paid compound interest at the rate of 20% p.a. He stopped further deposits after three years. The Money remained invested in the financial institution for a further
64. ## math

you invested \$4000 in two accounts paying 2% and 9% annual interest, respectively if the total interest earned for the year was \$150, how much was invested at each rate. \$_was invested at 2% and _\$ was invested at 9%
65. ## economics

Determine the sum of money that must be invested today at 9% interest compounded annually to give an investor annuity (annual income) payments of \$5,000 per year for 10 years starting 5 years from now.
66. ## Math

Find the interest if \$ 9,000 is invested at an annual simple interest rate of 8 % for 3 years. Use the formula I = P × R × T , where I is the interest earnings, P is the principal, R is the annual rate and T is the time, expressed in years. (a) \$ 216,000
67. ## Investment interest

Scenario: A client comes to you for investment advice on his \$500,000 winnings from the lottery. He has been offered the following options by three different financial institutions and requests assistance to help understand which option would be the best
68. ## Finance

. (TCO 3) Mark deposited \$1,000 today, in an account that pays eight percent interest, compounded semi-annually. Which one of the following statements is correct concerning this investment? (Points : 3) Mark will earn more interest in year 4 than he will
69. ## eng economic

Zaki invested RM1000 now and RM1500 2years from now. He invests RM2000 4 years from now at an interest rate of 8% compounded annually. Estimate total amount in 10 years.
70. ## Algebra

I'm really stuck on these 2. Can you please explain the work clearly so that I can understand and find the answer easily, if already not given. Need help with these 2 please-- 19. Nancy invests \$100 in one account for 10 years at a 9% interest rate
71. ## math

Sam invested \$5000 in a GIC earning 8% compound interest per year. The interest gets added to the amount invested, so the next year Sam gets interest on the interest already earned as well as on the original amount. How much will Sam's investment be worth
72. ## Lat math question for some days. Can y'all help?

Huan deposited \$850 into a college savings account earning 4.8% interest compounded annually. He also deposited \$850 into a second account earning 4.8% simple interest. He made no additional deposits. After 10 years, which account earned more interest? How
73. ## PRE-CALCULUS

Find the accumulated value of a \$5000 investment which is invested for 8 years at an interest rate of 12% compounded: (a) annually (b) semi-annually (c) quarterly (d) monthly (e) continuou
74. ## algebra financial polynoomials

Compounded annually, P dollars is invested at annual interest rate r for 2 years. If the interest is compounded annually, then the polynomial P (1+r)^2 represents the value of the investment after 2 years. Rewrite the expression without the parentheses.
75. ## Math

Compound interest question: When Aaron invested \$100 at 4.5% p.a. annually compounding, it amounted to \$142.21. For how many years was it invested? Is there a way to solve this question without using the formula for compound interest?
76. ## algebra

James invested some money at 12% interest. James also invested \$188 more than 4 times that amount at 13%. How much is invested at each rate if Sang receives \$2249.57 in interest after one year?
77. ## Algebra

Joanie takes a \$6000 loan to pay for her car. The interest rate on the loan is 12%. She makes no payments for 4 years, but has to pay back all the money she owes at the end of 4 years. How much more money will she owe if the interest compounds quarterly
78. ## college math

Suppose \$400 is invested for 4 years at a nominal yearly interest rate that is compounded monthly, further suppose it accumulates to 817.39 after 4 years. Find the annual nominal interest rate of the investment.
79. ## college math

Suppose \$400 is invested for 4 years at a nominal yearly interest rate that is compounded monthly, further suppose it accumulates to 817.39 after 4 years. Find the annual nominal interest rate of the investment.
80. ## math

At the beginning of every year, a man deposited \$ 10,000 in a financial institution which paid compound interest at the rate of 20% p.a. He stopped further deposits after three years. The Money remained invested in the financial institution for a further
81. ## math

Jason invested \$13700 for 2 years and received \$1096.00 in interest. At what rate did he invest if the interest was calculated using the simple interest formula? Use the formula

Ok my last question for this Interest stuff Woo! Ok this is the question: What is the annual interest rate if \$1600 is invested for 6 years and \$456 in interest is earned?
83. ## Algebra

Abbi invested \$1,500 in a certificate of deposit with a simple interest rate of 4%. Find the interest earned in 6 years. Then find the total of principal plus interest.
84. ## math

Abbi invested \$1,000 in a certificate of deposit with a simple interest rate of 4%. Find the interest earned in 8 years. Then find the total of principal plus interest.
85. ## algebra

Abbi invested \$1,200 in a certificate of deposit with a simple interest rate of 2%. Find the interest earned in 9 years. Then find the total of principal plus interest.
86. ## math

Abbi invested \$1,000 in a certificate of deposit with a simple interest rate of 3%. Find the interest earned in 6 years. Then find the total of principal plus interest.

I can't figure this out, please help... A company invests \$15,000.00 in an account that compounds interest annually. After two years, the account is worth \$16,099.44. Use the function in which r is the annual interest rate, P is the principal, and A is the
88. ## Algebra B

I can't figure this out, please help... A company invests \$15,000.00 in an account that compounds interest annually. After two years, the account is worth \$16,099.44. Use the function in which r is the annual interest rate, P is the principal, and A is the
89. ## Math

A company invests \$15,000.00 in an account that compounds interest annually. After two years, the account is worth \$16,099.44. Use the function in which r is the annual interest rate, P is the principal, and A is the amount of money after t years. What is
90. ## Algebra

A company invests \$15,000.00 in an account that compounds interest annually. After two years, the account is worth \$16,099.44. Use the function in which r is the annual interest rate, P is the principal, and A is the amount of money after t years. What is
91. ## Algebra

A woman invested some money at 8% and some at 9% annual simple interest. The interest for 1 year on the combined investment of \$10,000 was \$860. How much was invested at each rate?
92. ## Math Check My Work Please 2

15. Lisa takes a loan of \$10,500 at a 9% simple interest rate for 7 years. a. How much interest will she pay after 3 years? b. How much interest will she pay in total for the loan? \$2,835.00; \$6,615.00 \$8,280.00; \$9,720.00* \$13,598.00;
93. ## math

abbi invested 1,500 dollars in a certificate of deposit with a simple interest rate of 4 percent. find the interest earned in 6 years. then find the total of principal plus interest
94. ## Math

Roman saves \$500 each year in an account earning interest at an annual rate of 4% compounded annually. How much interest will the account earn at the END OF THE FIRST THREE YEARS? I think I am confusing simple and compounded interest. The answer I got was
95. ## Algebra

I invested \$42,000 in three funds paying 5%, 7%, and 9% simple interest. The total annual interest from these investments was \$2,600. The amount of money invested at 5% was \$200 less than the amount invested at 7% and 9% combined. How much was invested in
96. ## financial mathematics

jeromeborrowed an amount of money on 16th june 1999. he has to pay Ri7500 back on 25th feb 2000. what was the amount borrowed if simple interest of 26% is chargedd? qn 2. For 20yrs sidney deposited R200 every month into an account. this account earned 15%
97. ## math

Different Interest Rates. Mrs. Brighton invested \$30,000 and received a total of \$2300 in interest. If she invested part of the money at 10% and the remainder at 5%, then how much did she invest at each rate?
98. ## math

If \$8000 is invested in an account for which interest is compounded continuously, find the amount of the investment at the end of 12 years for the following interest rates. a) 2% b) 3% c) 4.5% d) 7%
99. ## Algebra 2 & trig

joanna invested \$7500, part at a 5.5% and the remainder at a 6% annual rate of interest. if she collected a total of 435 in interest at the end of one year, how much money was invested at each rate?