Tank Q is a cubical tank of side 14 cm. It is
34 filled with water. The water is then poured into Tank R measuring 17 cm by 15 cm by 13 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 14 x 14 x 14
= 2058 cm
3 (b)
Volume of Tank R
= 17 x 15 x 13
= 3315 cm
3 Volume of water needed to fill Tank R to the brim
= 3315 - 2058
= 1257 cm
3 1257 mℓ = 1.257 ℓ
Answer(s): (a) 2058 cm
3; (b) 1.257 ℓ