Respuesta :
Answer:
Answer: 80
Step-by-step explanation:
Add every second odd number.
2+3=5
5+7=12
12+11=23
23+15=38
38+19=57
57+23=80
Answer:
Answer: 80
Step-by-step explanation:
Add every second odd number.
2+3=5
5+7=12
12+11=23
23+15=38
38+19=57
57+23=80