Tank H is a cubical tank of side 12 cm. It is
34 filled with water. The water is then poured into Tank J measuring 20 cm by 16 cm by 15 cm.
- Find the volume of water in Tank H at first.
- How much more water is needed to fill Tank J to the brim? Give your answer in litres.
(a)
Volume of water in Tank H
=
34 x 12 x 12 x 12
= 1296 cm
3 (b)
Volume of Tank J
= 20 x 16 x 15
= 4800 cm
3 Volume of water needed to fill Tank J to the brim
= 4800 - 1296
= 3504 cm
3 3504 mℓ = 3.504 ℓ
Answer(s): (a) 1296 cm
3; (b) 3.504 ℓ