Tank L is a cubical tank of side 15 cm. It is
45 filled with water. The water is then poured into Tank M measuring 19 cm by 15 cm by 12 cm.
- Find the volume of water in Tank L at first.
- How much more water is needed to fill Tank M to the brim? Give your answer in litres.
(a)
Volume of water in Tank L
=
45 x 15 x 15 x 15
= 2700 cm
3 (b)
Volume of Tank M
= 19 x 15 x 12
= 3420 cm
3 Volume of water needed to fill Tank M to the brim
= 3420 - 2700
= 720 cm
3 720 mℓ = 0.72 ℓ
Answer(s): (a) 2700 cm
3; (b) 0.72 ℓ