Tank Q is a cubical tank of side 20 cm. It is
34 filled with water. The water is then poured into Tank R measuring 20 cm by 19 cm by 18 cm.
- Find the volume of water in Tank Q at first.
- How much more water is needed to fill Tank R to the brim? Give your answer in litres.
(a)
Volume of water in Tank Q
=
34 x 20 x 20 x 20
= 6000 cm
3 (b)
Volume of Tank R
= 20 x 19 x 18
= 6840 cm
3 Volume of water needed to fill Tank R to the brim
= 6840 - 6000
= 840 cm
3 840 mℓ = 0.84 ℓ
Answer(s): (a) 6000 cm
3; (b) 0.84 ℓ