Question
Fred and Luis each had the same volume of water. The water was used to pour into identical bottles. Fred filled up 13 bottles and had 8.1 ℓ of water left. Luis filled up 11 bottles and had 8.7 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 Fred and Luis had at first? Give your answer in litres.
4 m
(a)

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Fred and Luis each had the same volume of water. The water was used to pour into identical bottles. Fred filled up 13 bottles and had 8.1 ℓ of water left. Luis filled up 11 bottles and had 8.7 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 Fred and Luis had at first? Give your answer in litres.