Tank U is a cubical tank of side 15 cm. It is
79 filled with water. The water is then poured into Tank V measuring 18 cm by 16 cm by 15 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
=
79 x 15 x 15 x 15
= 2625 cm
3 (b)
Volume of Tank V
= 18 x 16 x 15
= 4320 cm
3 Volume of water needed to fill Tank V to the brim
= 4320 - 2625
= 1695 cm
3 1695 mℓ = 1.695 ℓ
Answer(s): (a) 2625 cm
3; (b) 1.695 ℓ