The figure shows a rectangular glass container partly filled with 2-cm cubes. After adding 7 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 + 7
= 19
Extra cubes to fill
= 24 - 19
= 5
(b)
Volume of one cube
= 2 x 2 x 2
= 8 cm
3 Volume of the container
= 24 x 8
= 192 cm
3 Answer(s): (a) 5; (b) 192 cm
3