A tank with a square base of 20 cm was
14 filled with water After another 21280 cm
3 of water was poured into the tank, it became
56 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 21280 cm
3 of water was poured into the tank
=
56 -
14=
1012 -
312=
712712 of the tank = 21280
112 of the tank = 21280 ÷ 7 = 3040
1212 of the tank = 12 x 3040 = 36480
36480 mℓ = 36.48 ℓ
Capacity of the tank = 36.48 ℓ
(b)
1012 of the tank = 10 x 3040 = 30400
Final height of the water in the tank
=
3040020 x 20 = 76 cm
Answer(s): (a) 36.48 ℓ; (b) 76 cm