Tank K is a cubical tank of side 12 cm. It is
34 filled with water. The water is then poured into Tank L measuring 20 cm by 18 cm by 16 cm.
- Find the volume of water in Tank K at first.
- How much more water is needed to fill Tank L to the brim? Give your answer in litres.
(a)
Volume of water in Tank K
=
34 x 12 x 12 x 12
= 1296 cm
3 (b)
Volume of Tank L
= 20 x 18 x 16
= 5760 cm
3 Volume of water needed to fill Tank L to the brim
= 5760 - 1296
= 4464 cm
3 4464 mℓ = 4.464 ℓ
Answer(s): (a) 1296 cm
3; (b) 4.464 ℓ