Try this: 1) An initial investment of $100,000 at 12% interest is compounded weekly (52 weeks = 1 year). What will the investment be worth in 30 years?

How much should you invest now at 5% compounded quarterly to have $8000 in 4 years?

Jealous of Fry’s money, Leela starts making $5 daily deposits into a savings account that earns interest at the rate of 3.65%/year compounded daily. What will the account’s balance be in 100 years ?

For an investment of $100,000 at 9% interest for 8 years, find (a) the simpleinterest, and (b) the compound interest if interest is calculated once per year.