Question
Oscar and Julian each had the same volume of water. The water was used to pour into identical bottles. Oscar filled up 9 bottles and had 7.2 ℓ of water left. Julian filled up 7 bottles and had 8.6 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 Oscar and Julian had at first? Give your answer in litres.
4 m
(a)

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Oscar and Julian each had the same volume of water. The water was used to pour into identical bottles. Oscar filled up 9 bottles and had 7.2 ℓ of water left. Julian filled up 7 bottles and had 8.6 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 Oscar and Julian had at first? Give your answer in litres.