Want to be a Millionaire?
If you put a dollar in the bank, and it took one year for your money to double, how long would it take to become a millionaire? Justify your answer.

Extensions 
What is the least amount of money (to the nearest dollar) that you would need to place in the bank initially if you wanted to become a millionaire after ten years? Justify your answer.

Related External Resources 
Sequence of exercise
Two students decided to begin a new exercise program they agreed that they would jog 3 blocks farther each day. Determine how many days the students have been jogging.
Multiples, factors and primes
Explore a method to find the least common multiple and a greatest common factor.
Submit your idea for an investigation to InterMath.
