unt balance of $10,000 after 5 years, what amount do you need to invest initially into an account that earns an APR of

If you invest $1,000 in an account that pays an annual interest rate of 6.4%, compounded monthly, how long will it take for your money to double?

How much would you need to deposit in an account each month in order to have $10,000 in the account in 8 years? Assume the account earns 7% interest.   Please step by step answer.

You want to be able to withdraw $4500 from an account at the end of each 6-month period (that is, twice a year) for the next 11 years.  How much money should you invest now into an account earning 4.1% interest per year, compounded every 6 months, in order to fund the desired withdrawals?  Assume the account is empty after the last withdrawal is made. Give the answer correctly to 2 decimal places. The amount to invest now is ______ dollars.