Tank R is a cubical tank of side 9 cm. It is
79 filled with water. The water is then poured into Tank S measuring 20 cm by 19 cm by 16 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
=
79 x 9 x 9 x 9
= 567 cm
3 (b)
Volume of Tank S
= 20 x 19 x 16
= 6080 cm
3 Volume of water needed to fill Tank S to the brim
= 6080 - 567
= 5513 cm
3 5513 mℓ = 5.513 ℓ
Answer(s): (a) 567 cm
3; (b) 5.513 ℓ