Question 417374
The volume held in 1 cm length = 30*3.25*1= 97.5 cm^3

the volume held in 22 cms=
97.5 * 22 =2145 cm^3
..
1 sec flow is 2145 cm^3
60 seconds the flow will be 2145 * 60 
=128,700 cm^3

1cm^3=0.001 liter
128700 cm^3= 128700*0.001
=128.7 liters