Tank U is a cubical tank of side 15 cm. It is
45 filled with water. The water is then poured into Tank V measuring 20 cm by 16 cm by 14 cm.
- Find the volume of water in Tank U at first.
- How much more water is needed to fill Tank V to the brim? Give your answer in litres.
(a)
Volume of water in Tank U
=
45 x 15 x 15 x 15
= 2700 cm
3 (b)
Volume of Tank V
= 20 x 16 x 14
= 4480 cm
3 Volume of water needed to fill Tank V to the brim
= 4480 - 2700
= 1780 cm
3 1780 mℓ = 1.78 ℓ
Answer(s): (a) 2700 cm
3; (b) 1.78 ℓ