Feliz Anivorsário
Hope this helps
About 73 years. You would use the compound interest formula.
1290=430 ( 1 + 1.5/100) ^ t
t = 73.788 years
The solution is (5,-2) red line is for 1st equation and blue line is for 2nd
With an area of 3,515 square miles it is the largest island in the USA.