Cubical Tank J has a length of 40 cm and is
78 filled with water. Some of the water is poured into an empty rectangular fish tank measuring 56 cm long, 17 cm wide and 22 cm high until it is completely full.
- What is the volume of water in Tank J at first? Give your answer in cm3
- What is the volume of water left in Tank J? Give your answer in litres.
(a)
Volume of water in Tank J at first
=
78 x 40 x 40 x 40
= 56000 cm
3 (b)
Volume of fish tank
= 56 x 17 x 22
= 20944 cm
3 Volume of water left in the Tank
= 56000 - 20944
= 35056 mℓ
35056 mℓ = 35.056 ℓ
Answer(s): (a) 56000 cm
3; (b) 35.056 ℓ