Cubical Tank E has a length of 39 cm and is
23 filled with water. Some of the water is poured into an empty rectangular fish tank measuring 49 cm long, 20 cm wide and 28 cm high until it is completely full.
- What is the volume of water in Tank E at first? Give your answer in cm3
- What is the volume of water left in Tank E? Give your answer in litres.
(a)
Volume of water in Tank E at first
=
23 x 39 x 39 x 39
= 39546 cm
3 (b)
Volume of fish tank
= 49 x 20 x 28
= 27440 cm
3 Volume of water left in the Tank
= 39546 - 27440
= 12106 mℓ
12106 mℓ = 12.106 ℓ
Answer(s): (a) 39546 cm
3; (b) 12.106 ℓ