Question
Emma filled a rectangular container which had a base area of 40 cm2 and a height of 30.9 cm with water. Then, she placed 12 identical metal cubes into this container. As a result, the height of the water in the rectangular container increased by 37.5 cm.

  1. What was the length of each side of the metal cube?
  2. After Emma removed the metal cubes from the container, she poured all the water from the container to fill bottles of 0.39 ℓ. What was the maximum number of bottles she could fill?
5 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

Emma filled a rectangular container which had a base area of 40 cm2 and a height of 30.9 cm with water. Then, she placed 12 identical metal cubes into this container. As a result, the height of the water in the rectangular container increased by 37.5 cm.

  1. What was the length of each side of the metal cube?
  2. After Emma removed the metal cubes from the container, she poured all the water from the container to fill bottles of 0.39 ℓ. What was the maximum number of bottles she could fill?