Tank J is a cubical tank of side 14 cm. It is
78 filled with water. The water is then poured into Tank K measuring 20 cm by 18 cm by 16 cm.
- Find the volume of water in Tank J at first.
- How much more water is needed to fill Tank K to the brim? Give your answer in litres.
(a)
Volume of water in Tank J
=
78 x 14 x 14 x 14
= 2401 cm
3 (b)
Volume of Tank K
= 20 x 18 x 16
= 5760 cm
3 Volume of water needed to fill Tank K to the brim
= 5760 - 2401
= 3359 cm
3 3359 mℓ = 3.359 ℓ
Answer(s): (a) 2401 cm
3; (b) 3.359 ℓ