The figure shows a rectangular glass container partly filled with 3-cm cubes. After adding 5 extra cubes,
- How many more cubes are needed to the container completely?
- What is the volume of glass container?
(a)
Total number of cubes that can fill the container
= 4 x 2 x 3
= 24
Number of cubes in the container after adding extra cubes
= 12 + 5
= 17
Extra cubes to fill
= 24 - 17
= 7
(b)
Volume of one cube
= 3 x 3 x 3
= 27 cm
3 Volume of the container
= 24 x 27
= 648 cm
3 Answer(s): (a) 7; (b) 648 cm
3