Question
Beaker Y had 1 ℓ of water at first. Raeann poured some water from beaker Z to Y until beaker Y is filled with 8 ℓ of water. There were 4 ℓ of water left in beaker Z. How many litres of water were there in beaker Z at first?
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Beaker Y had 1 ℓ of water at first. Raeann poured some water from beaker Z to Y until beaker Y is filled with 8 ℓ of water. There were 4 ℓ of water left in beaker Z. How many litres of water were there in beaker Z at first?