Question

The bottom row of a stack of blocks contains11 blocks. The row above it contains 9 blocks. The next higher row contains 7 blocks. The rows continue in this pattern, and the top row contains a single block . How many blocks does the stack contain in all? @OwlGirl212

Answer 1

Each row you get by substracting 2 from previous... till one. What do you think?

Answer 2

11, 9, 7, 5, 3, 1

11+9+7+3+1 = 36

Answer 3

thanks

Answer 4

np