Answer:
6 months
Explanation:
You can keep adding to find the answer
1. 10+1= 11
4+2=6
2. 11+1=12
6+2=8
3. 12+1=13
8+2=10
4. 13+1=14
10+2=12
5. 14+1=15
12+2=14
6. 15+1=16
14+2=16
4.6m questions
6.0m answers