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. Plz Hel, word problem:)

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  3. Math

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  4. Algebra( check my answers)

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  5. Compound interest

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  6. Calculus Please help!

    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) Find the amount in the...
  7. 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 11%. Sentence (1) ''A...
  8. Algebra

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  9. Math

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  10. statistics please help!

    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
  11. 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
  12. Financial Math

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  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. 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 ____ Find the amount in ...
  15. Math: Compounded Interest

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  16. 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 Time (in years)
  17. 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?
  18. 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?
  19. 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 steps. The formula for ...
  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= The amount of money you...
  21. 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.
  22. 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.
  23. 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.
  24. 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?
  25. 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?
  26. 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?
  27. 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?
  28. 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?
  29. 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.)
  30. 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 and principle. ...
  31. MATH HELP PLEASE

    $9000 invested at an APR of 9% for five years. In interest is compounded annually, what Ia the amount of money after 5 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. 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.
  34. math

    a sum of Rs.8000 generates Rs.1261 as compounded interest in 03 years interest compounded annually. The rate of compound interest is
  35. 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 ____
  36. 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 the interest rate of ...
  37. 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 it will become at the...
  38. 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.
  39. 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
  40. 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?
  41. 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. However, she let the ...
  42. 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?
  43. 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 at the rate of 13%?
  44. 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 rate of 5.5%/year ...
  45. 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
  46. 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 asking for a number in the...
  47. 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 (b) $ 4,216.00 (c...
  48. 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%
  49. 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 earn?
  50. 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 worth at the end of 10 ...
  51. 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 variables missing, the n ...
  52. 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?
  53. 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 for his investment. ...
  54. 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.
  55. 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.
  56. 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 check, which will ...
  57. 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 interest rate?
  58. Adv. Math

    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?
  59. 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
  60. simple interest

    A total of $12,000 is invested into two simple interest accounts. On one account the annual simple interest rate is 12%, while on the second account the annual interest rate is 18%. How much should be invested at 12% so that the interest earned is the same?
  61. 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 the accounts after 10 ...
  62. 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 the accounts after 10 ...
  63. 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?
  64. 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.
  65. 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.
  66. 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
  67. 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.
  68. 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.
  69. 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 have saved after 5 ...
  70. 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.
  71. math

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  72. 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 each fund?
  73. calculus

    Find the interest earned on $15,000,invested for 6yrs at 4% interest compounded annually
  74. 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%
  75. 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?
  76. math

    An investment of $3,000 is made at an annual simple interest of 5%. How much additional money must be invested at an annual simple interest rate of 8%, so that the total annual interest earned is 7.5 of the original amount that you invested? My answer: $279,375
  77. 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?
  78. 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 at the end of 10 ...
  79. 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 the end of 10 years...
  80. 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 account after P pesos ...
  81. Math

    Mr. Nielson wants to borrow $1,000 for 2 years. He is given the choice of i) simple interest at 12%, or ii) a loan at 10% compounded monthly. Which loan results in less interest due ? b) What interest rate compounded quarterly will give an effective interest rate of 7% ?
  82. 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 probably wrong. You are ...
  83. algebra 2

    The amount of money in an account with continuously compounded interest is given by the formula A=Pe^rt , where P is the principal, r is the annual interest rate, and t is the time in years. Calculate to the nearest hundredth of a year how long it takes for an amount of money ...
  84. algebra

    The amount of money in an account with continuously compounded interest is given by the formula A=Pe^rt , where P is the principal, r is the annual interest rate, and t is the time in years. Calculate to the nearest hundredth of a year how long it takes for an amount of money ...
  85. 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 and got a 13% interest...
  86. math/ compounded

    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 for his investment. ...
  87. Math

    Joe invested $12,000, part at 6% interest and part at 8% interest. In the first year he earned $860 in interest. How much was invested at each rate? Answer _____________
  88. Algebra

    The Smiths invested $14,000, part at 3% simple interest and the rest at 4% simple interest for a period of one year. if the total interest earned was $460, how much was invested at each rate?
  89. 9th grade math

    suppose u invested some money at 8% simple interest for five years. if u received $500 in interest, how much money did u invest?
  90. annual interest

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  91. 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 the interest rate of ...
  92. 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 the interest rate of ...
  93. 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 1) If a person ...
  94. Algebra

    Compare the future amounts (A) you would have if the money were invested at simple interest and if it were invested with annual compounding. $3,000 at 11% for 20 years (a) Calculate the future amount if the money were invested at simple interest. $ (b) Calculate the future ...
  95. Algebra

    Compare the future amounts (A) you would have if the money were invested at simple interest and if it were invested with annual compounding. $4,000 at 12% for 30 years (a) Calculate the future amount if the money were invested at simple interest. (b) Calculate the future ...
  96. Algebra

    Suppose that P dollars are invested in a savings account at interest rate I, compounded annually, for 2 years. The amount A in the account after 2 years is given by A = P(1 + i)^2. Find an equivalent polynomial expression for A. Please help if you can! Thank you! :-)
  97. Business mathematics

    A sum of money when invested for a definite period at r% simple interest will yield an interest of rm80 .using the same interest rate, find the interest earned if the sum is tripled and the investment period is doubled
  98. 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 than if the interest ...
  99. Algebra

    Joe invested $12000, part at 6% interest and part at 8% interest. In the first year he earned $860 in interest. How much was invested at each rate?
  100. Math

    Two investments are made totaling $4800. In the first year they yield a total of $412 in simple interest. Part of the money is invested at 8% and the rest at 9%. Find the amount invested at each interest rate.
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