Can some tell me what do do for this, how to solve it, and the answer?
1 2 3 4 5
2 4 6 8 10
8 10 12 14 16
4 5 6 7 8
3 3 3 3 3
How I did it is i took the numbers 1 to 5 and i doubled them, added 6, divided by 2 and subtracted the starting number.