Tank B is a cubical tank of side 12 cm. It is
56 filled with water. The water is then poured into Tank C measuring 20 cm by 17 cm by 15 cm.
- Find the volume of water in Tank B at first.
- How much more water is needed to fill Tank C to the brim? Give your answer in litres.
(a)
Volume of water in Tank B
=
56 x 12 x 12 x 12
= 1440 cm
3 (b)
Volume of Tank C
= 20 x 17 x 15
= 5100 cm
3 Volume of water needed to fill Tank C to the brim
= 5100 - 1440
= 3660 cm
3 3660 mℓ = 3.66 ℓ
Answer(s): (a) 1440 cm
3; (b) 3.66 ℓ