Question
Owen and Carl each had the same volume of water. The water was used to pour into identical bottles. Owen filled up 12 bottles and had 7 ℓ of water left. Carl filled up 10 bottles and had 8 ℓ of water left.
  1. What was the capacity of each bottle? Give your answer in millilitres.
  2. What was the total volume of water Owen and Carl had at first? Give your answer in litres.
4 m
(a)

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Owen and Carl each had the same volume of water. The water was used to pour into identical bottles. Owen filled up 12 bottles and had 7 ℓ of water left. Carl filled up 10 bottles and had 8 ℓ of water left.
  1. What was the capacity of each bottle? Give your answer in millilitres.
  2. What was the total volume of water Owen and Carl had at first? Give your answer in litres.