Tank K is a cubical tank of side 12 cm. It is
78 filled with water. The water is then poured into Tank L measuring 19 cm by 15 cm by 14 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
=
78 x 12 x 12 x 12
= 1512 cm
3 (b)
Volume of Tank L
= 19 x 15 x 14
= 3990 cm
3 Volume of water needed to fill Tank L to the brim
= 3990 - 1512
= 2478 cm
3 2478 mℓ = 2.478 ℓ
Answer(s): (a) 1512 cm
3; (b) 2.478 ℓ