Tank D is a cubical tank of side 8 cm. It is
58 filled with water. The water is then poured into Tank E measuring 20 cm by 17 cm by 16 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
=
58 x 8 x 8 x 8
= 320 cm
3 (b)
Volume of Tank E
= 20 x 17 x 16
= 5440 cm
3 Volume of water needed to fill Tank E to the brim
= 5440 - 320
= 5120 cm
3 5120 mℓ = 5.12 ℓ
Answer(s): (a) 320 cm
3; (b) 5.12 ℓ