Cubical Tank C has a length of 30 cm and is
78 filled with water. Some of the water is poured into an empty rectangular fish tank measuring 56 cm long, 15 cm wide and 21 cm high until it is completely full.
- What is the volume of water in Tank C at first? Give your answer in cm3
- What is the volume of water left in Tank C? Give your answer in litres.
(a)
Volume of water in Tank C at first
=
78 x 30 x 30 x 30
= 23625 cm
3 (b)
Volume of fish tank
= 56 x 15 x 21
= 17640 cm
3 Volume of water left in the Tank
= 23625 - 17640
= 5985 mℓ
5985 mℓ = 5.985 ℓ
Answer(s): (a) 23625 cm
3; (b) 5.985 ℓ