A rectangular tank measuring 80 cm by 75 cm by 32 cm was ¹₁₀ filled with water. Natalie turned on a tap at 5.32 p.m. to fill more water into the tank. She turned off the tap at 5.44 p.m. The tank was ⁴₅ 
filled with water. Given that the water flowed out of the tap at the same rate, find the volume of water that flowed out of the tap in a minute. Give your answer in litres.
Volume of water in the tank at first
= ¹₁₀ x 80 x 75 x 32
= 19200 cm³

Volume of water in the tank in the end
= ⁴₅ x 80 x 75 x 32
= 153600 cm³

Volume of water added into the tank by the tap
= 153600 - 19200
= 134400 cm³

1000 mℓ = 1 ℓ
134400 mℓ = 134400 ÷ 1000 = 134.4 ℓ

From 5.32 p.m. to 5.44 p.m.: 12 min

Volume of water that flowed out of the tap in a minute
= 134.4 ÷ 12
= 11.2 ℓ 

Answer(s): 11.2 ℓ