Question
A container measuring 23 cm by 20 cm by 54 cm was 13 filled with water at first. Luke poured some water into the container. In the end, the height of the water level in the container was 21 cm as shown.
  1. How much water did Luke pour into container? Give your answer in mℓ.
  2. Luke then poured all the water in the container into several identical bottles. Given that each bottle can hold at least 1.6 ℓ of water, what is the least number of bottles he would need?
3 m
(a)

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(b)

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A container measuring 23 cm by 20 cm by 54 cm was 13 filled with water at first. Luke poured some water into the container. In the end, the height of the water level in the container was 21 cm as shown.
  1. How much water did Luke pour into container? Give your answer in mℓ.
  2. Luke then poured all the water in the container into several identical bottles. Given that each bottle can hold at least 1.6 ℓ of water, what is the least number of bottles he would need?