Cubical Tank Y has a length of 39 cm and is
79 filled with water. Some of the water is poured into an empty rectangular fish tank measuring 51 cm long, 20 cm wide and 24 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
=
79 x 39 x 39 x 39
= 46137 cm
3 (b)
Volume of fish tank
= 51 x 20 x 24
= 24480 cm
3 Volume of water left in the Tank
= 46137 - 24480
= 21657 mℓ
21657 mℓ = 21.657 ℓ
Answer(s): (a) 46137 cm
3; (b) 21.657 ℓ