Question
Billy and Cody each had the same volume of water. The water was used to pour into identical bottles. Billy filled up 13 bottles and had 5.9 ℓ of water left. Cody filled up 9 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 Billy and Cody had at first? Give your answer in litres.
4 m
(a)

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Billy and Cody each had the same volume of water. The water was used to pour into identical bottles. Billy filled up 13 bottles and had 5.9 ℓ of water left. Cody filled up 9 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 Billy and Cody had at first? Give your answer in litres.