Cubical Tank F 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 47 cm long, 15 cm wide and 20 cm high until it is completely full.
- What is the volume of water in Tank F at first? Give your answer in cm3
- What is the volume of water left in Tank F? Give your answer in litres.
(a)
Volume of water in Tank F at first
=
79 x 39 x 39 x 39
= 46137 cm
3 (b)
Volume of fish tank
= 47 x 15 x 20
= 14100 cm
3 Volume of water left in the Tank
= 46137 - 14100
= 32037 mℓ
32037 mℓ = 32.037 ℓ
Answer(s): (a) 46137 cm
3; (b) 32.037 ℓ