Tank Y is a cubical tank of side 12 cm. It is
89 filled with water. The water is then poured into Tank Z measuring 15 cm by 14 cm by 11 cm.
- Find the volume of water in Tank Y at first.
- How much more water is needed to fill Tank Z to the brim? Give your answer in litres.
(a)
Volume of water in Tank Y
=
89 x 12 x 12 x 12
= 1536 cm
3 (b)
Volume of Tank Z
= 15 x 14 x 11
= 2310 cm
3 Volume of water needed to fill Tank Z to the brim
= 2310 - 1536
= 774 cm
3 774 mℓ = 0.774 ℓ
Answer(s): (a) 1536 cm
3; (b) 0.774 ℓ