Tank B is a cubical tank of side 15 cm. It is
45 filled with water. The water is then poured into Tank C measuring 18 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
=
45 x 15 x 15 x 15
= 2700 cm
3 (b)
Volume of Tank C
= 18 x 17 x 15
= 4590 cm
3 Volume of water needed to fill Tank C to the brim
= 4590 - 2700
= 1890 cm
3 1890 mℓ = 1.89 ℓ
Answer(s): (a) 2700 cm
3; (b) 1.89 ℓ