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January 25, 2015

January 25, 2015

Posted by **Brittany** on Wednesday, June 17, 2009 at 2:14pm.

- Mathematrics -
**economyst**, Wednesday, June 17, 2009 at 4:23pmshouldnt the 2nd diabram have 5 squares.

I believe the CHANGE in the number of squares grows by 4 each time. So, 1, 5, 13, 25, and so on.

- Mathematrics -
**Reiny**, Wednesday, June 17, 2009 at 5:30pmor

the total number of squares after n stages is

2n^2 - 2n + 1

test: if n= 4

we get 2(16) - 8 + 1 = 25

as economyst predicted

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