Tank D is a cubical tank of side 15 cm. It is
35 filled with water. The water is then poured into Tank E measuring 20 cm by 18 cm by 15 cm.
- Find the volume of water in Tank D at first.
- How much more water is needed to fill Tank E to the brim? Give your answer in litres.
(a)
Volume of water in Tank D
=
35 x 15 x 15 x 15
= 2025 cm
3 (b)
Volume of Tank E
= 20 x 18 x 15
= 5400 cm
3 Volume of water needed to fill Tank E to the brim
= 5400 - 2025
= 3375 cm
3 3375 mℓ = 3.375 ℓ
Answer(s): (a) 2025 cm
3; (b) 3.375 ℓ