Tank E is a cubical tank of side 10 cm. It is
45 filled with water. The water is then poured into Tank F measuring 20 cm by 18 cm by 15 cm.
- Find the volume of water in Tank E at first.
- How much more water is needed to fill Tank F to the brim? Give your answer in litres.
(a)
Volume of water in Tank E
=
45 x 10 x 10 x 10
= 800 cm
3 (b)
Volume of Tank F
= 20 x 18 x 15
= 5400 cm
3 Volume of water needed to fill Tank F to the brim
= 5400 - 800
= 4600 cm
3 4600 mℓ = 4.6 ℓ
Answer(s): (a) 800 cm
3; (b) 4.6 ℓ