Cubical Tank Y has a length of 36 cm and is
78 filled with water. Some of the water is poured into an empty rectangular fish tank measuring 51 cm long, 15 cm wide and 23 cm high until it is completely full.
- What is the volume of water in Tank Y at first? Give your answer in cm3
- What is the volume of water left in Tank Y? Give your answer in litres.
(a)
Volume of water in Tank Y at first
=
78 x 36 x 36 x 36
= 40824 cm
3 (b)
Volume of fish tank
= 51 x 15 x 23
= 17595 cm
3 Volume of water left in the Tank
= 40824 - 17595
= 23229 mℓ
23229 mℓ = 23.229 ℓ
Answer(s): (a) 40824 cm
3; (b) 23.229 ℓ