Respuesta :

kyra1919
3 rows of 7
7 rows of 3
1 row of 21
21 rows of 1
Snare
Hi!
To do this, you want to find all of the factors of 21. In other words, thing can can be multiplied to become 21.
1 x 21
3 x 7
7 x 3
21 x 1

I hope this helps and good luck!

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