Tank R is a cubical tank of side 8 cm. It is
78 filled with water. The water is then poured into Tank S measuring 20 cm by 16 cm by 13 cm.
- Find the volume of water in Tank R at first.
- How much more water is needed to fill Tank S to the brim? Give your answer in litres.
(a)
Volume of water in Tank R
=
78 x 8 x 8 x 8
= 448 cm
3 (b)
Volume of Tank S
= 20 x 16 x 13
= 4160 cm
3 Volume of water needed to fill Tank S to the brim
= 4160 - 448
= 3712 cm
3 3712 mℓ = 3.712 ℓ
Answer(s): (a) 448 cm
3; (b) 3.712 ℓ