Answer:
22
Step-by-step explanation:
Add every other number and it equals the next in line.
2 + 5 = 7
3 + 7 = 10
5 + 10 = 15
7 + 15 = 22
And as proof of concept:
10 + 22 = 32
22! Mark the other answer brainleist!
2+5 = 7
3+7 = 10
7 + 15 = ?
15 + ? = 32
? must be 22!
