Cubical Tank L has a length of 34 cm and is
78 filled with water. Some of the water is poured into an empty rectangular fish tank measuring 45 cm long, 21 cm wide and 28 cm high until it is completely full.
- What is the volume of water in Tank L at first? Give your answer in cm3
- What is the volume of water left in Tank L? Give your answer in litres.
(a)
Volume of water in Tank L at first
=
78 x 34 x 34 x 34
= 34391 cm
3 (b)
Volume of fish tank
= 45 x 21 x 28
= 26460 cm
3 Volume of water left in the Tank
= 34391 - 26460
= 7931 mℓ
7931 mℓ = 7.931 ℓ
Answer(s): (a) 34391 cm
3; (b) 7.931 ℓ