Tank R is a cubical tank of side 15 cm. It is
35 filled with water. The water is then poured into Tank S measuring 20 cm by 17 cm by 14 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
=
35 x 15 x 15 x 15
= 2025 cm
3 (b)
Volume of Tank S
= 20 x 17 x 14
= 4760 cm
3 Volume of water needed to fill Tank S to the brim
= 4760 - 2025
= 2735 cm
3 2735 mℓ = 2.735 ℓ
Answer(s): (a) 2025 cm
3; (b) 2.735 ℓ