Tank K is a cubical tank of side 15 cm. It is
79 filled with water. The water is then poured into Tank L measuring 20 cm by 17 cm by 14 cm.
- Find the volume of water in Tank K at first.
- How much more water is needed to fill Tank L to the brim? Give your answer in litres.
(a)
Volume of water in Tank K
=
79 x 15 x 15 x 15
= 2625 cm
3 (b)
Volume of Tank L
= 20 x 17 x 14
= 4760 cm
3 Volume of water needed to fill Tank L to the brim
= 4760 - 2625
= 2135 cm
3 2135 mℓ = 2.135 ℓ
Answer(s): (a) 2625 cm
3; (b) 2.135 ℓ