Tank W is a cubical tank of side 12 cm. It is
34 filled with water. The water is then poured into Tank X measuring 16 cm by 13 cm by 10 cm.
- Find the volume of water in Tank W at first.
- How much more water is needed to fill Tank X to the brim? Give your answer in litres.
(a)
Volume of water in Tank W
=
34 x 12 x 12 x 12
= 1296 cm
3 (b)
Volume of Tank X
= 16 x 13 x 10
= 2080 cm
3 Volume of water needed to fill Tank X to the brim
= 2080 - 1296
= 784 cm
3 784 mℓ = 0.784 ℓ
Answer(s): (a) 1296 cm
3; (b) 0.784 ℓ