Question
John and Ryan each had the same volume of water. The water was used to pour into identical bottles. John filled up 11 bottles and had 7.7 ℓ of water left. Ryan filled up 9 bottles and had 8.3 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 John and Ryan had at first? Give your answer in litres.
4 m
(a)

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John and Ryan each had the same volume of water. The water was used to pour into identical bottles. John filled up 11 bottles and had 7.7 ℓ of water left. Ryan filled up 9 bottles and had 8.3 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 John and Ryan had at first? Give your answer in litres.