Continuous compound interest formula is your friend! (:
A = Pe^rt
or
1,000,000 = Pe^(0.075)x(30)
How much would you have to invest in an account earning 7.5% interest compounded continuously, for it to be worth one million dollars in $30 years?
42
Where did you find an account paying 7.5%?? I can't get more than 2 or 3%