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5 April, 22:09

The dimensions of a large room are double the dimensions of a small room.

Both rooms are rectangular prisms. The volume of the small room is 10 cubic

metres.

What is the volume of the large room?

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Answers (1)
  1. 5 April, 22:23
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    The volume would be 80 cubic metres. Think about the three different dimensions for the small room as x, y and z. Therefore the volume is x*y*z = xyz. Now for the bigger room, the dimensions would be 2x, 2y and 2z. Therefore, its volume would be 2x*2y*2z = 8xyz. Since xyz (volume of the smaller room) = 10 cubic metres, the bigger room's volume will be 8*10 = 80 cubic metres.
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