Tank R is a cubical tank of side 16 cm. It is
78 filled with water. The water is then poured into Tank S measuring 20 cm by 18 cm by 17 cm.
- Find the volume of water in Tank R at first.
- How much more water is needed to fill Tank S to the brim? Give your answer in litres.
(a)
Volume of water in Tank R
=
78 x 16 x 16 x 16
= 3584 cm
3 (b)
Volume of Tank S
= 20 x 18 x 17
= 6120 cm
3 Volume of water needed to fill Tank S to the brim
= 6120 - 3584
= 2536 cm
3 2536 mℓ = 2.536 ℓ
Answer(s): (a) 3584 cm
3; (b) 2.536 ℓ