Cubical Tank J has a length of 40 cm and is
910 filled with water. Some of the water is poured into an empty rectangular fish tank measuring 47 cm long, 18 cm wide and 23 cm high until it is completely full.
- What is the volume of water in Tank J at first? Give your answer in cm3
- What is the volume of water left in Tank J? Give your answer in litres.
(a)
Volume of water in Tank J at first
=
910 x 40 x 40 x 40
= 57600 cm
3 (b)
Volume of fish tank
= 47 x 18 x 23
= 19458 cm
3 Volume of water left in the Tank
= 57600 - 19458
= 38142 mℓ
38142 mℓ = 38.142 ℓ
Answer(s): (a) 57600 cm
3; (b) 38.142 ℓ