Warm-Up: Suppose you have 120 dollars to deposit into a savings account. If you put your money into Bank A, they will deposit an additional 12 dollars per year into your account. If you put your money into Bank B, they will increase your balance by 10 percent per year.
How much money would you have after one year if you put your money into Bank A? How about Bank B?

Bank A: dollars

Bank B: dollars
After two years?

Bank A: dollars

Bank B: dollars
After three years?

Bank A: dollars

Bank B: dollars
Which bank should you use?




Hint: