Screw met... No.2
Screw the Met....No.2 looks much easier.
Again need a diagram but answer should be 110 I think.
M = 2200 (mass of a/c)
D = 300cm (fore to aft cargo compartments)
d = 15cm (old C of G to new C of G)
m = ? = 15/300 x 2200 = 110
Sorry for any mistakes! YS