Answer:18 but that think says i have incorrect words or smtn
3x=1y 18x=6y
Answer:
C, 18
Explanation:
Buy 3, get 1 free.
Buy 6, get 2 free.
Buy 9, get 3 free.
Buy 12, get 4 free.
Buy 15, get 5 free.
Buy 18, get 6 free.
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