Brightstorm is like having a personal tutor for every subject

See what all the buzz is about

Check it out
Don't Stop Learning Now!

Gain access to 3,500 HD videos.

Convince me!

Watch 1 minute preview of this video


Get Immediate Access with 1 week FREE trial
Your video will begin after this quick intro to Brightstorm.

Compound Interest (Finite Number of Calculations) - Problem 6 548 views

Surprisingly, the time it takes an investment to double doesn't depend on how much is invested in the first place. Since the ratio of money after time to initial investment is always 2 for doubling, we can use the equation 2 = (1+(r/n))^(nt) to solve for time. Be ready to either apply a log to both sides of the equation or re-write the equation in log form in order to get "t" out of the exponent.

Transcript Coming Soon!