Answer:
Step-by-step explanation:
A+N+J=310
A=N*2 =>N=A/2
N=J*3 =>J=N/3
N=?
N*2+N+N/3=310
3N+N/3=310
(9N+N)/3=930/3
10N=930
N=930/10
N=93
will be nice if you give me brainlies.Good luck!