Tank A is a cubical tank of side 9 cm. It is
89 filled with water. The water is then poured into Tank B measuring 20 cm by 17 cm by 15 cm.
- Find the volume of water in Tank A at first.
- How much more water is needed to fill Tank B to the brim? Give your answer in litres.
(a)
Volume of water in Tank A
=
89 x 9 x 9 x 9
= 648 cm
3 (b)
Volume of Tank B
= 20 x 17 x 15
= 5100 cm
3 Volume of water needed to fill Tank B to the brim
= 5100 - 648
= 4452 cm
3 4452 mℓ = 4.452 ℓ
Answer(s): (a) 648 cm
3; (b) 4.452 ℓ