What interest rate do you need for a $5000 investment to double in 10 years? ... 3. How much money do you need to invest at 2 34 % in order to have $12,000 after 7 ... 5. How much interest will you earn in 8 years if you invest $7500 at 4 14 ... If you deposit $4000 into an account paying 9% annual interest compounded
i really hope this helps
if not...IM REALLY SORRY:(:<