Asked by Anon

A tower of blocks has 1 block in the top row, 4 blocks in the next row, 7 blocks in the next row, an so on. There are 5 rows in all. How many blocks are in the tower?

I need help finding the answer.
Answered by Ms. Sue
1
4
7
?
?

Total?

Answered by Anon
10
13

total 35?
Answered by Ms. Sue
Right.

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