Answer:
None
Step-by-step explanation:
There is no value for N if you try 30 it will go like this
2(30) = 60 + n = 90
3(30) = 90
your first two side have to be greater than your third
2(12) = 24 + n = 36
3(12) = 36
2(145) = 290 + n = 435
3(145) = 1305
