Tank Y is a cubical tank of side 18 cm. It is
79 filled with water. The water is then poured into Tank Z measuring 19 cm by 18 cm by 15 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
=
79 x 18 x 18 x 18
= 4536 cm
3 (b)
Volume of Tank Z
= 19 x 18 x 15
= 5130 cm
3 Volume of water needed to fill Tank Z to the brim
= 5130 - 4536
= 594 cm
3 594 mℓ = 0.594 ℓ
Answer(s): (a) 4536 cm
3; (b) 0.594 ℓ