Asked by Peach

Check my answer please!

A tower of blocks has 1 block in the top row, 3 blocks in the next row, 5 blocks in the next row, and so on. there are six rows in all. how many blocks are in the tower?

11 blocks
47 blocks
36 blocks *MY ANSWER*
49 blocks
Answered by Peach
11 blocks is my new answer
Answered by Steve
should have stayed with 36

1+3+5+7+9+11 = 36

In fact, if you add up the first n odd numbers, the sum is n^2.

How did you decide on 11? 1+3+5=9 and you still had three rows to go.
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