Tank T is a cubical tank of side 8 cm. It is
78 filled with water. The water is then poured into Tank U measuring 19 cm by 15 cm by 12 cm.
- Find the volume of water in Tank T at first.
- How much more water is needed to fill Tank U to the brim? Give your answer in litres.
(a)
Volume of water in Tank T
=
78 x 8 x 8 x 8
= 448 cm
3 (b)
Volume of Tank U
= 19 x 15 x 12
= 3420 cm
3 Volume of water needed to fill Tank U to the brim
= 3420 - 448
= 2972 cm
3 2972 mℓ = 2.972 ℓ
Answer(s): (a) 448 cm
3; (b) 2.972 ℓ