math

posted by .

how much money would have to be invested in an account at 3.98% annual interset to achieve a balance of 25,000 in 17 years if

a. The account pays simple interest
b. the account compound interest qrtly
c. the account compounds interest continuously

  • math -

    a)
    solve for x, the original amount

    x + 17(.0398)x = 25000

    b)
    i = .0398/4 = .00995

    x(1.00995)^68 = 25000
    x = 25000/(1.00995^68) = .......

    c)

    25000 = x (e^(.0398(17))
    x = ...

  • math -

    mujhe simple interest ka method samajh nahi ataa. question-a some of money double itself 10 year the number of year it wood trebles itself is.........

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. 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 …
  2. math

    Samantha opened a savings account and deposited some money into the account. The account pays an annual simple interest rate of 5%. After 9 years, the interest earned on the account was $1,800. How much money did Samantha deposit in …
  3. pre-algebra

    You split $1500 between two savings accounts. Account A pays annual 5% interest and Account B pays 4% annual interest. After one year,you have earned a total of $69.50 in interest. How much money did you invest in each account?
  4. Algebra

    Helen invested $14,000 in an account that pays 3% simple interest. How much additional money must be invested in an account that pays 6% simple interest so that the average return on the two investments amounts to 4% ?
  5. Math

    A woman has money in two accounts. One account pays 7% annual interest, whereas the other pays 15% annual interest. If she has $1,500 more invested at 15% than she does at 7% and her total interest for a year is $1,545, how much does …
  6. math

    Yvonne put $4,000 in a savings account. At the end of 3 years, the account had earned $960 in simple interest. A. how much does she have in her account at the end of 3 years?
  7. math

    Mike's grandmother opened a savings account in Mike's name and deposited some money into the account. The account pays an annual simple interest rate of 11%. After 13 years, the interest earned on the account is $5720. How much money …
  8. 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 …
  9. Math- Interest Rates

    Yvonne put $4,000 in a savings account. At the end of 3 years, the account had earned $960 in simple interest. A. how much does she have in her account at the end of 3 years?
  10. math

    Adrian has $12,000 invested in a savings account which pays 5%, a time deposit paying 7% and a bond that pays 10%. He has $1000 less invested in the bond than in his savings account, and he earned $860 in annual interest. How much …

More Similar Questions