Question
Zeph and Xavier each had the same volume of water. The water was used to pour into identical bottles. Zeph filled up 7 bottles and had 8.1 ℓ of water left. Xavier filled up 5 bottles and had 8.5 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 Zeph and Xavier had at first? Give your answer in litres.
4 m
(a)

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Zeph and Xavier each had the same volume of water. The water was used to pour into identical bottles. Zeph filled up 7 bottles and had 8.1 ℓ of water left. Xavier filled up 5 bottles and had 8.5 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 Zeph and Xavier had at first? Give your answer in litres.