A tank with a square base of 40 cm was
15 filled with water After another 31680 cm
3 of water was poured into the tank, it became
34 full.
- Find the capacity of the tank in litres.
- Find the final height of the water in the tank.
(a)
Fraction of the tank when 31680 cm
3 of water was poured into the tank
=
34 -
15=
1520 -
420=
11201120 of the tank = 31680
120 of the tank = 31680 ÷ 11 = 2880
2020 of the tank = 20 x 2880 = 57600
57600 mℓ = 57.6 ℓ
Capacity of the tank = 57.6 ℓ
(b)
1520 of the tank = 15 x 2880 = 43200
Final height of the water in the tank
=
4320040 x 40 = 27 cm
Answer(s): (a) 57.6 ℓ; (b) 27 cm