Marco wants to invest his savings in a bank for 3 years.
He has £15000 to invest and receives offers from two banks.

Bank of Peace
2.5% per year
Compound interest

Bank of Trust
3.8% for 1st year
1% for each extra year
Compound interest

Which bank should Marco choose to get
the most interest over the 3-year period?
You must show all your working.