Cubical Tank T has a length of 40 cm and is
58 filled with water. Some of the water is poured into an empty rectangular fish tank measuring 47 cm long, 21 cm wide and 25 cm high until it is completely full.
- What is the volume of water in Tank T at first? Give your answer in cm3
- What is the volume of water left in Tank T? Give your answer in litres.
(a)
Volume of water in Tank T at first
=
58 x 40 x 40 x 40
= 40000 cm
3 (b)
Volume of fish tank
= 47 x 21 x 25
= 24675 cm
3 Volume of water left in the Tank
= 40000 - 24675
= 15325 mℓ
15325 mℓ = 15.325 ℓ
Answer(s): (a) 40000 cm
3; (b) 15.325 ℓ