Answer:
Step-by-step explanation:
It's arithmetic.
Just keep on adding 8 to each term.
-3 + 8 = 5
5 + 8 = 13
13 + 8 = 21
5 t'shirts is the minimum she can sell to reach her goal.
You would count the amount of squares going up then count the squares going horizontal, so then it would be 5/3 hole this helps:)
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