help me pls i need to get up to a 80

Answer:
N=1
Step-by-step explanation:
If N = 1 then 4(1)= 4 whitch is less than 11
But if you plug in any other number
4(4) = 16
4(9) = 36
4(11) = 44
you can see that all of these are greater than 11, but we need something that is less than which would be N=1