Answer:
2 and 3 only
Explanation:
1 ) 10n = 103
n = 103/10 = 10.3
2) 5n = 15
n = 15/5 = 3
3)
4) n/2 = 6
n = 12
5) n/3 = 3
n = 9
9.4m questions
12.2m answers