To double the principle the formula is
2p=p e^rt
2=e^rt
2=e^0.12t
Solve for t
T=(log(2)÷log(e))÷0.12
T=5.78 years
We need to find the other base also in order for us to find out what the area of this is.
What are the options on top take a picture of those then I will be able to help you
