Tank W is a cubical tank of side 10 cm. It is
78 filled with water. The water is then poured into Tank X measuring 18 cm by 16 cm by 13 cm.
- Find the volume of water in Tank W at first.
- How much more water is needed to fill Tank X to the brim? Give your answer in litres.
(a)
Volume of water in Tank W
=
78 x 10 x 10 x 10
= 875 cm
3 (b)
Volume of Tank X
= 18 x 16 x 13
= 3744 cm
3 Volume of water needed to fill Tank X to the brim
= 3744 - 875
= 2869 cm
3 2869 mℓ = 2.869 ℓ
Answer(s): (a) 875 cm
3; (b) 2.869 ℓ