15
unfortunatly i cannot really show you how to solve, it is very simple when i can write it on paper, lol, anyways, your answer is [N = 15]
If: N/80 = 900 Then: N = 72,000
5
90
5
n/2 = 60 Therefore, n = 60 x 2 n = 120
3500/900 = 3.8 recurring %
n = 19
N=72
newton
24.
N=20
n=24