zexen_lowe on 22 November 2010
1)Ah, fuck, I forgot plus signs don't work in this site, it's all screwed...anyway, the answer is 20 at first, 18 later -_-
It's two equation with two variables, y = 720/x and y (plus) 4 = 720/x-2, solve that and it yields x =20
Lemme take a look at the others








