Tank H is a cubical tank of side 9 cm. It is
89 filled with water. The water is then poured into Tank J measuring 15 cm by 12 cm by 9 cm.
- Find the volume of water in Tank H at first.
- How much more water is needed to fill Tank J to the brim? Give your answer in litres.
(a)
Volume of water in Tank H
=
89 x 9 x 9 x 9
= 648 cm
3 (b)
Volume of Tank J
= 15 x 12 x 9
= 1620 cm
3 Volume of water needed to fill Tank J to the brim
= 1620 - 648
= 972 cm
3 972 mℓ = 0.972 ℓ
Answer(s): (a) 648 cm
3; (b) 0.972 ℓ