Tank W is a cubical tank of side 16 cm. It is
78 filled with water. The water is then poured into Tank X measuring 19 cm by 18 cm by 15 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 16 x 16 x 16
= 3584 cm
3 (b)
Volume of Tank X
= 19 x 18 x 15
= 5130 cm
3 Volume of water needed to fill Tank X to the brim
= 5130 - 3584
= 1546 cm
3 1546 mℓ = 1.546 ℓ
Answer(s): (a) 3584 cm
3; (b) 1.546 ℓ